/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:24:38,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:24:38,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:24:38,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 06:24:38,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 06:24:38,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 06:24:38,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 06:24:38,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 06:24:38,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 06:24:38,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 06:24:38,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 06:24:38,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 06:24:38,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 06:24:38,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 06:24:38,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 06:24:38,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 06:24:38,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 06:24:38,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 06:24:38,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 06:24:38,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 06:24:38,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 06:24:38,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 06:24:38,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 06:24:38,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 06:24:38,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 06:24:38,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 06:24:38,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 06:24:38,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 06:24:38,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 06:24:38,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 06:24:38,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 06:24:38,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 06:24:38,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 06:24:38,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 06:24:38,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 06:24:38,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 06:24:38,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 06:24:38,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 06:24:38,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 06:24:38,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 06:24:38,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 06:24:38,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 06:24:38,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:24:38,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:24:38,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:24:38,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:24:38,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:24:38,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:24:38,948 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:24:38,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:24:38,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:24:38,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:24:38,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:24:38,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:24:38,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:24:38,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:24:38,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:24:38,952 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:24:38,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:24:38,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:24:38,952 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:24:38,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:24:39,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:24:39,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:24:39,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:24:39,273 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:24:39,274 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:24:39,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-06-17 06:24:39,274 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-06-17 06:24:39,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:24:39,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:24:39,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:24:39,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:24:39,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:24:39,329 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,335 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:24:39,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:24:39,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:24:39,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:24:39,345 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,346 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,346 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,347 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,349 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,350 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,351 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 17.06 06:24:39" (1/1) ... [2021-06-17 06:24:39,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:24:39,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:24:39,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:24:39,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:24:39,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:24:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:24:39,428 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:24:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:24:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:24:39,428 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:24:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:24:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:24:39,429 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:24:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:24:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:24:39,429 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 06:24:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 06:24:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 06:24:39,430 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 06:24:39,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:24:39,793 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-17 06:24:39,794 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 06:24:39,794 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 06:24:39,794 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-17 06:24:39,795 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:24:39 BoogieIcfgContainer [2021-06-17 06:24:39,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:24:39,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:24:39,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:24:39,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:24:39,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:24:39" (1/2) ... [2021-06-17 06:24:39,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e92e9a and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:24:39, skipping insertion in model container [2021-06-17 06:24:39,839 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 17.06 06:24:39" (2/2) ... [2021-06-17 06:24:39,840 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-17 06:24:39,844 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:24:39,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:24:39,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:24:39,845 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:24:39,893 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 06:24:39,908 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 06:24:40,011 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:24:40,011 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:24:40,011 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:24:40,011 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:24:40,011 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:24:40,011 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:24:40,012 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:24:40,012 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:24:40,092 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:40,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1493740920, now seen corresponding path program 1 times [2021-06-17 06:24:40,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:40,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025008038] [2021-06-17 06:24:40,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:40,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:40,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025008038] [2021-06-17 06:24:40,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025008038] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:24:40,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:24:40,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-17 06:24:40,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907330059] [2021-06-17 06:24:40,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 06:24:40,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:40,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 06:24:40,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-17 06:24:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:40,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:40,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:40,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:24:40,365 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:40,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:40,370 INFO L82 PathProgramCache]: Analyzing trace with hash 162531388, now seen corresponding path program 1 times [2021-06-17 06:24:40,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:40,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267233012] [2021-06-17 06:24:40,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:40,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:40,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267233012] [2021-06-17 06:24:40,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267233012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:40,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776766533] [2021-06-17 06:24:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:40,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 06:24:40,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:40,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776766533] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:40,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:40,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-17 06:24:40,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296233305] [2021-06-17 06:24:40,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:24:40,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:40,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:24:40,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:24:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:40,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:40,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:40,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:40,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:41,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:41,093 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:41,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:41,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1596223470, now seen corresponding path program 1 times [2021-06-17 06:24:41,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:41,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488997689] [2021-06-17 06:24:41,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:41,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:41,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488997689] [2021-06-17 06:24:41,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488997689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:41,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787998460] [2021-06-17 06:24:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:41,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 06:24:41,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:41,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787998460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:41,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:41,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-17 06:24:41,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447616701] [2021-06-17 06:24:41,358 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 06:24:41,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:41,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 06:24:41,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-17 06:24:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:41,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:41,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:41,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:41,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:41,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:41,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:41,735 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:41,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:41,736 INFO L82 PathProgramCache]: Analyzing trace with hash -346961070, now seen corresponding path program 1 times [2021-06-17 06:24:41,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:41,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720526755] [2021-06-17 06:24:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:41,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:41,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720526755] [2021-06-17 06:24:41,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720526755] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:41,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805529358] [2021-06-17 06:24:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:41,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 06:24:41,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:41,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805529358] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:41,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:41,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-17 06:24:41,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699590746] [2021-06-17 06:24:41,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 06:24:41,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:41,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 06:24:41,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-17 06:24:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:41,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:41,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:42,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:42,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:42,236 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:42,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1352968370, now seen corresponding path program 1 times [2021-06-17 06:24:42,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:42,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480838135] [2021-06-17 06:24:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:42,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:42,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480838135] [2021-06-17 06:24:42,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480838135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:42,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88380628] [2021-06-17 06:24:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:42,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 06:24:42,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:42,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88380628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:42,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:42,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-17 06:24:42,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16415182] [2021-06-17 06:24:42,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:24:42,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:42,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:24:42,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:24:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:42,387 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:42,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:42,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:42,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 06:24:42,690 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:42,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:42,691 INFO L82 PathProgramCache]: Analyzing trace with hash -350101756, now seen corresponding path program 1 times [2021-06-17 06:24:42,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:42,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356128178] [2021-06-17 06:24:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:43,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:43,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356128178] [2021-06-17 06:24:43,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356128178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:43,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794268933] [2021-06-17 06:24:43,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:43,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 06:24:43,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:43,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:43,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,365 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 15 treesize of output 11 [2021-06-17 06:24:43,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:43,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,399 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 25 treesize of output 19 [2021-06-17 06:24:43,401 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:24:43,408 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:43,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:43,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-17 06:24:43,449 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:103 [2021-06-17 06:24:43,934 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-06-17 06:24:43,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,946 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 35 treesize of output 27 [2021-06-17 06:24:43,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-17 06:24:43,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:43,959 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,965 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 17 treesize of output 13 [2021-06-17 06:24:43,966 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:43,974 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,982 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 27 treesize of output 21 [2021-06-17 06:24:43,985 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:43,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:43,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:24:43,994 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:44,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,000 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 28 treesize of output 22 [2021-06-17 06:24:44,002 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:44,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:24:44,010 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-06-17 06:24:44,018 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:44,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:44,026 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,326 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-06-17 06:24:44,327 INFO L628 ElimStorePlain]: treesize reduction 144, result has 71.3 percent of original size [2021-06-17 06:24:44,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:24:44,334 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,343 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 23 treesize of output 11 [2021-06-17 06:24:44,344 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:44,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:24:44,359 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,365 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 21 treesize of output 7 [2021-06-17 06:24:44,366 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:44,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:24:44,381 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:24:44,387 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:44,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-17 06:24:44,402 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,407 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 24 treesize of output 9 [2021-06-17 06:24:44,408 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-17 06:24:44,415 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:44,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,432 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 10 treesize of output 5 [2021-06-17 06:24:44,434 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:44,439 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 20 treesize of output 9 [2021-06-17 06:24:44,440 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:44,555 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-17 06:24:44,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:44,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-17 06:24:44,564 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:403, output treesize:179 [2021-06-17 06:24:44,730 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-06-17 06:24:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:44,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794268933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:44,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:44,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-06-17 06:24:44,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366642156] [2021-06-17 06:24:44,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 06:24:44,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:44,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 06:24:44,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-17 06:24:44,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:44,818 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:44,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:45,214 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2021-06-17 06:24:45,396 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2021-06-17 06:24:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:45,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:45,635 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1194517604, now seen corresponding path program 2 times [2021-06-17 06:24:45,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:45,635 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360782437] [2021-06-17 06:24:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:45,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:45,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360782437] [2021-06-17 06:24:45,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360782437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:45,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286475674] [2021-06-17 06:24:45,838 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:45,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:24:45,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:45,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 06:24:45,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:46,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,182 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 15 treesize of output 11 [2021-06-17 06:24:46,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:46,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:46,194 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-17 06:24:46,200 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:46,206 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:46,211 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,320 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-17 06:24:46,321 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-17 06:24:46,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:24:46,327 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-06-17 06:24:46,552 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_15], 1=[array_0, v_prenex_14]} [2021-06-17 06:24:46,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:24:46,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:46,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:46,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,604 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-17 06:24:46,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:46,608 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:46,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:24:46,630 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,633 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 21 treesize of output 7 [2021-06-17 06:24:46,633 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:46,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:46,656 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-06-17 06:24:46,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:24:46,658 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-17 06:24:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:46,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286475674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:46,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:46,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-17 06:24:46,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385289423] [2021-06-17 06:24:46,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 06:24:46,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:46,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 06:24:46,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-17 06:24:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:46,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:46,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:46,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:47,174 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-06-17 06:24:47,446 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-06-17 06:24:47,622 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2021-06-17 06:24:47,808 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-17 06:24:47,992 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-17 06:24:48,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:48,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-17 06:24:48,231 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:48,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:48,232 INFO L82 PathProgramCache]: Analyzing trace with hash -967108206, now seen corresponding path program 3 times [2021-06-17 06:24:48,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:48,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230152789] [2021-06-17 06:24:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:48,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:48,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230152789] [2021-06-17 06:24:48,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230152789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:48,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572411949] [2021-06-17 06:24:48,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:48,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-17 06:24:48,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:48,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-17 06:24:48,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:48,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:24:48,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:24:48,497 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:48,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:48,500 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:48,504 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:48,507 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:48,510 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,539 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-17 06:24:48,540 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:24:48,540 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:24:48,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:48,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:48,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,626 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 8 treesize of output 6 [2021-06-17 06:24:48,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:48,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:48,631 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:48,634 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:48,650 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:24:48,650 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:24:48,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:24:48,652 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:24:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:48,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572411949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:48,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:48,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-06-17 06:24:48,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350551668] [2021-06-17 06:24:48,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-17 06:24:48,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:48,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-17 06:24:48,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-06-17 06:24:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:48,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:48,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:48,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:49,970 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-06-17 06:24:50,323 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-06-17 06:24:50,697 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2021-06-17 06:24:50,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:50,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-06-17 06:24:50,939 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:50,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1605668110, now seen corresponding path program 4 times [2021-06-17 06:24:50,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:50,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485954774] [2021-06-17 06:24:50,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:51,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:51,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485954774] [2021-06-17 06:24:51,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485954774] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:51,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061586173] [2021-06-17 06:24:51,078 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:51,111 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:24:51,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:51,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 06:24:51,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:51,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,398 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 15 treesize of output 11 [2021-06-17 06:24:51,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:51,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:51,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:51,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:51,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:51,464 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:51,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:51,469 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:51,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:51,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,525 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 27 treesize of output 21 [2021-06-17 06:24:51,527 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:51,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:51,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:51,535 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:51,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:51,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-17 06:24:51,626 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-06-17 06:24:52,000 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-17 06:24:52,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:52,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,011 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 26 treesize of output 20 [2021-06-17 06:24:52,012 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:52,017 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,022 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 27 treesize of output 21 [2021-06-17 06:24:52,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:52,029 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:52,035 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,040 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 26 treesize of output 20 [2021-06-17 06:24:52,041 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:24:52,047 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:24:52,053 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,057 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 28 treesize of output 22 [2021-06-17 06:24:52,058 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-17 06:24:52,064 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:52,069 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,219 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-06-17 06:24:52,220 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-06-17 06:24:52,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:24:52,227 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:52,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:24:52,232 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:52,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:52,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:24:52,299 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-06-17 06:24:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:52,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061586173] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:52,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:52,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-17 06:24:52,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166085253] [2021-06-17 06:24:52,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 06:24:52,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:52,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 06:24:52,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-17 06:24:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:52,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:52,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:53,138 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-17 06:24:53,445 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-17 06:24:53,716 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-17 06:24:54,002 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2021-06-17 06:24:54,196 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-17 06:24:54,391 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2021-06-17 06:24:54,605 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-06-17 06:24:54,787 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-06-17 06:24:54,979 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-06-17 06:24:55,172 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2021-06-17 06:24:55,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:55,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:55,393 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:55,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:55,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1508306844, now seen corresponding path program 1 times [2021-06-17 06:24:55,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:55,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267917135] [2021-06-17 06:24:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:24:55,428 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:55,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267917135] [2021-06-17 06:24:55,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267917135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:55,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838207413] [2021-06-17 06:24:55,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:55,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 06:24:55,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:24:55,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838207413] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:55,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:55,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-17 06:24:55,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317945525] [2021-06-17 06:24:55,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:24:55,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:55,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:24:55,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:24:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:55,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:55,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:55,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:56,021 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:56,022 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:56,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:56,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1957685294, now seen corresponding path program 5 times [2021-06-17 06:24:56,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:56,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724805778] [2021-06-17 06:24:56,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:56,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:56,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724805778] [2021-06-17 06:24:56,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724805778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:56,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806911970] [2021-06-17 06:24:56,153 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:56,187 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:24:56,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:56,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 06:24:56,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:56,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:56,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:56,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:56,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:56,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:56,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:56,262 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:24:56,262 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:24:56,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:56,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:56,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:56,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:56,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:56,339 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:24:56,339 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:24:56,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:56,340 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:24:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:56,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806911970] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:56,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:56,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-06-17 06:24:56,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840087278] [2021-06-17 06:24:56,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 06:24:56,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:56,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 06:24:56,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-17 06:24:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:56,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:56,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:56,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:56,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-17 06:24:56,794 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:56,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:56,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1216253704, now seen corresponding path program 6 times [2021-06-17 06:24:56,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:56,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887544753] [2021-06-17 06:24:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:57,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:57,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887544753] [2021-06-17 06:24:57,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887544753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:57,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448372288] [2021-06-17 06:24:57,178 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:57,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-17 06:24:57,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:57,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-17 06:24:57,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:57,717 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-17 06:24:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:57,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-17 06:24:57,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:57,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-17 06:24:57,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:57,950 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-06-17 06:24:57,950 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-06-17 06:24:57,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:57,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-17 06:24:57,974 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:57,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:57,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-17 06:24:57,981 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:58,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-17 06:24:58,044 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:58,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-17 06:24:58,050 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-17 06:24:58,109 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-06-17 06:24:58,613 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_35, v_prenex_37], 3=[array_0, v_prenex_36, v_prenex_34]} [2021-06-17 06:24:58,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-17 06:24:58,635 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-17 06:24:58,640 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,733 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-06-17 06:24:58,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-17 06:24:58,738 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:24:58,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:24:58,788 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-17 06:24:58,793 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,832 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 11 treesize of output 3 [2021-06-17 06:24:58,833 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,837 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 9 treesize of output 3 [2021-06-17 06:24:58,837 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:24:58,877 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,880 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 10 treesize of output 5 [2021-06-17 06:24:58,881 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:24:58,919 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:58,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:24:58,923 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:58,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:24:58,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:24:58,964 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-06-17 06:24:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:59,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448372288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:59,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:59,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-17 06:24:59,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062836810] [2021-06-17 06:24:59,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:24:59,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:59,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:24:59,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:24:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:59,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:59,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:59,611 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-17 06:24:59,850 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2021-06-17 06:25:00,024 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-17 06:25:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:00,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:00,308 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:00,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:00,308 INFO L82 PathProgramCache]: Analyzing trace with hash 613122108, now seen corresponding path program 7 times [2021-06-17 06:25:00,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:00,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642144167] [2021-06-17 06:25:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:00,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:00,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642144167] [2021-06-17 06:25:00,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642144167] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:00,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377155823] [2021-06-17 06:25:00,496 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:00,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 06:25:00,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-17 06:25:00,869 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2021-06-17 06:25:00,878 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-17 06:25:00,889 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:00,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:00,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-06-17 06:25:00,896 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:00,972 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-06-17 06:25:00,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-06-17 06:25:00,977 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:185, output treesize:87 [2021-06-17 06:25:01,265 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-06-17 06:25:01,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:25:01,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:01,276 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:01,280 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-17 06:25:01,285 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-17 06:25:01,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:25:01,290 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-17 06:25:01,295 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,373 INFO L628 ElimStorePlain]: treesize reduction 182, result has 30.0 percent of original size [2021-06-17 06:25:01,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:01,378 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,381 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 21 treesize of output 7 [2021-06-17 06:25:01,382 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:01,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:01,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:01,417 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-06-17 06:25:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:01,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377155823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:01,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:01,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-17 06:25:01,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072188705] [2021-06-17 06:25:01,507 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-17 06:25:01,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:01,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-17 06:25:01,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-06-17 06:25:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:01,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:01,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:03,028 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-06-17 06:25:03,385 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-17 06:25:03,563 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-17 06:25:03,836 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:04,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable161 [2021-06-17 06:25:04,102 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:04,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:04,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1810499398, now seen corresponding path program 8 times [2021-06-17 06:25:04,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:04,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061370495] [2021-06-17 06:25:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:04,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:04,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061370495] [2021-06-17 06:25:04,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061370495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:04,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123339674] [2021-06-17 06:25:04,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:04,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:25:04,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:04,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:25:04,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:04,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:04,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:04,447 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:04,450 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:04,453 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:04,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:04,458 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:04,460 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:04,462 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,486 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-17 06:25:04,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:25:04,487 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:25:04,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:04,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:04,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:25:04,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:04,595 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:04,598 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,626 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:25:04,626 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:04,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:04,627 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:25:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:04,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123339674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:04,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:04,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-06-17 06:25:04,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482592518] [2021-06-17 06:25:04,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 06:25:04,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:04,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 06:25:04,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-17 06:25:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:04,654 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:04,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:05,713 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-17 06:25:05,942 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2021-06-17 06:25:06,182 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2021-06-17 06:25:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:06,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:06,437 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash -293289106, now seen corresponding path program 9 times [2021-06-17 06:25:06,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:06,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506790398] [2021-06-17 06:25:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:06,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:06,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506790398] [2021-06-17 06:25:06,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506790398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:06,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995543777] [2021-06-17 06:25:06,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:06,702 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:25:06,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:06,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 06:25:06,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:06,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-17 06:25:06,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:06,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-17 06:25:06,811 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:06,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-17 06:25:06,818 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:06,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:06,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-17 06:25:06,823 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:06,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:06,861 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:25:06,861 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:183, output treesize:127 [2021-06-17 06:25:07,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,126 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 26 treesize of output 20 [2021-06-17 06:25:07,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,130 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:25:07,135 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,139 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,143 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:07,147 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,151 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,154 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:07,159 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,164 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:25:07,168 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,171 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:25:07,175 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:07,177 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,235 INFO L628 ElimStorePlain]: treesize reduction 48, result has 61.6 percent of original size [2021-06-17 06:25:07,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:07,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:25:07,240 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,242 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 10 treesize of output 5 [2021-06-17 06:25:07,243 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:07,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:07,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-17 06:25:07,268 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:419, output treesize:61 [2021-06-17 06:25:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:07,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995543777] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:07,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:07,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-17 06:25:07,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590829089] [2021-06-17 06:25:07,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 06:25:07,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:07,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 06:25:07,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-06-17 06:25:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:07,352 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:07,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:07,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:08,645 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-06-17 06:25:08,829 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-17 06:25:09,037 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-17 06:25:09,291 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-17 06:25:09,541 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-17 06:25:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:10,082 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-06-17 06:25:10,082 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:10,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:10,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1198537210, now seen corresponding path program 10 times [2021-06-17 06:25:10,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:10,083 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505136019] [2021-06-17 06:25:10,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:10,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:10,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505136019] [2021-06-17 06:25:10,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505136019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:10,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059012027] [2021-06-17 06:25:10,230 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:10,266 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:25:10,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:10,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 06:25:10,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:10,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:10,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:10,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-17 06:25:10,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:10,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:25:10,324 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:10,362 INFO L628 ElimStorePlain]: treesize reduction 32, result has 63.6 percent of original size [2021-06-17 06:25:10,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:10,363 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:109, output treesize:56 [2021-06-17 06:25:10,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:25:10,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:10,470 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-17 06:25:10,470 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:10,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:10,471 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-17 06:25:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:10,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059012027] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:10,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:10,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-17 06:25:10,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146100262] [2021-06-17 06:25:10,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 06:25:10,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:10,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 06:25:10,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-17 06:25:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:10,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:10,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:10,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:10,966 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:12,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-17 06:25:12,107 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:12,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:12,107 INFO L82 PathProgramCache]: Analyzing trace with hash 180996178, now seen corresponding path program 11 times [2021-06-17 06:25:12,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:12,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925652639] [2021-06-17 06:25:12,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:12,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:12,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925652639] [2021-06-17 06:25:12,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925652639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:12,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453346259] [2021-06-17 06:25:12,272 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:12,309 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-17 06:25:12,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:12,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 06:25:12,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:12,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,439 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 15 treesize of output 11 [2021-06-17 06:25:12,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:12,443 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:12,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-17 06:25:12,457 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-17 06:25:12,678 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-06-17 06:25:12,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-17 06:25:12,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-17 06:25:12,691 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:12,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-17 06:25:12,697 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-17 06:25:12,702 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,812 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2021-06-17 06:25:12,813 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-17 06:25:12,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,817 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 9 treesize of output 3 [2021-06-17 06:25:12,818 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:12,823 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,826 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 11 treesize of output 3 [2021-06-17 06:25:12,827 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:12,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:12,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:25:12,875 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-06-17 06:25:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:12,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453346259] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:12,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:12,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-06-17 06:25:12,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318039538] [2021-06-17 06:25:12,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:25:12,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:12,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:25:12,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:25:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:12,977 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:12,977 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:13,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2021-06-17 06:25:13,641 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:13,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1415090126, now seen corresponding path program 12 times [2021-06-17 06:25:13,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:13,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910852520] [2021-06-17 06:25:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:13,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:13,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910852520] [2021-06-17 06:25:13,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910852520] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:13,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308854115] [2021-06-17 06:25:13,777 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:13,815 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-17 06:25:13,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:13,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:25:13,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:13,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:13,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:13,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:13,880 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:13,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:13,893 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:13,893 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:25:13,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:13,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:13,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:13,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:13,971 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:13,985 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:25:13,985 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:13,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:25:13,986 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:25:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:14,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308854115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:14,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:14,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-17 06:25:14,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720706129] [2021-06-17 06:25:14,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 06:25:14,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:14,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 06:25:14,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-17 06:25:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:14,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:14,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:14,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-06-17 06:25:14,573 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:14,573 INFO L82 PathProgramCache]: Analyzing trace with hash -260569212, now seen corresponding path program 13 times [2021-06-17 06:25:14,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:14,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090012072] [2021-06-17 06:25:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:15,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:15,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090012072] [2021-06-17 06:25:15,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090012072] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:15,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24257928] [2021-06-17 06:25:15,067 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:15,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-17 06:25:15,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-17 06:25:15,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-17 06:25:15,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:15,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-17 06:25:15,846 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:15,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:15,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-06-17 06:25:15,856 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:15,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:15,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-17 06:25:15,906 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:270, output treesize:186 [2021-06-17 06:25:16,618 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-17 06:25:17,032 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-17 06:25:17,129 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_61, v_prenex_65, v_prenex_63, array_4, v_prenex_67], 6=[v_prenex_60, array_0, v_prenex_64, v_prenex_62, v_prenex_66]} [2021-06-17 06:25:17,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-06-17 06:25:17,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-17 06:25:17,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:17,361 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-06-17 06:25:17,362 INFO L628 ElimStorePlain]: treesize reduction 129, result has 72.0 percent of original size [2021-06-17 06:25:17,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-06-17 06:25:17,371 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-17 06:25:17,377 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-17 06:25:17,464 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-06-17 06:25:17,470 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-17 06:25:17,540 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:17,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-17 06:25:17,611 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,677 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 21 treesize of output 7 [2021-06-17 06:25:17,678 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:25:17,683 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:25:17,768 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:17,773 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:25:17,845 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:25:17,850 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-17 06:25:17,912 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:17,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:25:17,916 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:17,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:17,973 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-17 06:25:17,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-17 06:25:17,976 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:493, output treesize:70 [2021-06-17 06:25:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:18,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24257928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:18,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:18,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2021-06-17 06:25:18,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498730506] [2021-06-17 06:25:18,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 06:25:18,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:18,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 06:25:18,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2021-06-17 06:25:18,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:18,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:18,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:18,909 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-06-17 06:25:19,121 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-06-17 06:25:19,382 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-06-17 06:25:19,608 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-06-17 06:25:19,879 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2021-06-17 06:25:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:20,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:20,158 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:20,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:20,158 INFO L82 PathProgramCache]: Analyzing trace with hash -796182684, now seen corresponding path program 14 times [2021-06-17 06:25:20,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:20,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436157638] [2021-06-17 06:25:20,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:20,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:20,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436157638] [2021-06-17 06:25:20,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436157638] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:20,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10700164] [2021-06-17 06:25:20,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:20,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:25:20,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:20,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-17 06:25:20,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-17 06:25:21,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,502 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 38 treesize of output 26 [2021-06-17 06:25:21,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-06-17 06:25:21,515 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:21,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-06-17 06:25:21,526 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:21,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-17 06:25:21,540 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:21,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:21,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:21,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-17 06:25:21,547 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:21,663 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-17 06:25:21,663 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-17 06:25:21,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:25:21,670 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:325, output treesize:125 [2021-06-17 06:25:22,177 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_75, array_4], 1=[array_0, v_prenex_74]} [2021-06-17 06:25:22,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:22,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:22,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:22,184 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:22,218 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-06-17 06:25:22,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:25:22,221 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:22,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:22,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:22,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:22,242 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 21 treesize of output 7 [2021-06-17 06:25:22,243 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:22,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:22,246 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 11 treesize of output 3 [2021-06-17 06:25:22,246 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:22,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:22,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:22,270 INFO L518 ElimStorePlain]: Eliminatee v_prenex_74 vanished before elimination [2021-06-17 06:25:22,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:25:22,271 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-17 06:25:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:22,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10700164] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:22,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:22,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-17 06:25:22,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647679017] [2021-06-17 06:25:22,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-17 06:25:22,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:22,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-17 06:25:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-06-17 06:25:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:22,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:22,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:24,236 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-17 06:25:24,511 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-17 06:25:24,757 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-17 06:25:25,012 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-17 06:25:25,315 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-06-17 06:25:25,558 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-06-17 06:25:25,842 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-17 06:25:26,106 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-17 06:25:26,373 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-17 06:25:26,636 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-17 06:25:26,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:26,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-17 06:25:26,883 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:26,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:26,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1745692306, now seen corresponding path program 15 times [2021-06-17 06:25:26,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:26,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367545710] [2021-06-17 06:25:26,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:27,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:27,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367545710] [2021-06-17 06:25:27,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367545710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:27,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550449301] [2021-06-17 06:25:27,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:27,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:25:27,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:27,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 06:25:27,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:27,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:27,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:27,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:25:27,412 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:27,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:27,419 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:27,421 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:27,424 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:27,427 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,453 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-17 06:25:27,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:25:27,454 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:25:27,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:27,625 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 16 treesize of output 12 [2021-06-17 06:25:27,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:27,628 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 17 treesize of output 13 [2021-06-17 06:25:27,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:27,631 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:27,633 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:27,647 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:25:27,648 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:27,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:27,648 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:25:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:27,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550449301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:27,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:27,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-17 06:25:27,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430216612] [2021-06-17 06:25:27,683 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:25:27,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:27,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:25:27,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:25:27,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:27,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:27,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:27,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:27,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:30,376 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2021-06-17 06:25:31,028 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-17 06:25:31,623 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-17 06:25:31,985 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-06-17 06:25:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:32,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:32,303 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:32,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:32,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1169840754, now seen corresponding path program 16 times [2021-06-17 06:25:32,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:32,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751173914] [2021-06-17 06:25:32,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:32,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:32,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751173914] [2021-06-17 06:25:32,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751173914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:32,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062873800] [2021-06-17 06:25:32,716 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:32,756 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:25:32,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:32,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-17 06:25:32,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:33,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-17 06:25:33,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-17 06:25:33,129 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-17 06:25:33,136 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-17 06:25:33,142 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-17 06:25:33,149 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:33,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-17 06:25:33,156 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-17 06:25:33,160 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,214 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-17 06:25:33,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:25:33,215 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:256, output treesize:95 [2021-06-17 06:25:33,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-17 06:25:33,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:33,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:25:33,491 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:33,495 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:25:33,500 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:33,503 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:33,506 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:33,510 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:25:33,514 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:33,517 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:25:33,521 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:33,524 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,570 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-17 06:25:33,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:25:33,574 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:25:33,577 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:33,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-17 06:25:33,599 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-17 06:25:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:33,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062873800] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:33,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:33,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-17 06:25:33,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480897675] [2021-06-17 06:25:33,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:25:33,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:33,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:25:33,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:25:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:33,705 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:33,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:34,548 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-06-17 06:25:34,769 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-06-17 06:25:34,980 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-06-17 06:25:35,273 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-17 06:25:35,492 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-17 06:25:35,714 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-17 06:25:36,005 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-17 06:25:36,373 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2021-06-17 06:25:36,849 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 145 [2021-06-17 06:25:37,244 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-17 06:25:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:37,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:37,761 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:37,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:37,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1973465956, now seen corresponding path program 17 times [2021-06-17 06:25:37,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:37,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803413785] [2021-06-17 06:25:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:37,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:37,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803413785] [2021-06-17 06:25:37,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803413785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:37,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148196406] [2021-06-17 06:25:37,928 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:38,003 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-17 06:25:38,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:38,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:25:38,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:38,062 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 15 treesize of output 11 [2021-06-17 06:25:38,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:38,065 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 16 treesize of output 12 [2021-06-17 06:25:38,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:38,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:38,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:38,079 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-17 06:25:38,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:38,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:38,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:38,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:38,155 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:38,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:25:38,158 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:38,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:38,160 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:38,176 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:25:38,176 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:38,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:38,177 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:25:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:38,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148196406] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:38,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:38,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-17 06:25:38,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954860129] [2021-06-17 06:25:38,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 06:25:38,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:38,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 06:25:38,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-17 06:25:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:38,201 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:38,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:38,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:38,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:39,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable323 [2021-06-17 06:25:39,286 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:39,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:39,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1340861490, now seen corresponding path program 18 times [2021-06-17 06:25:39,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:39,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754657873] [2021-06-17 06:25:39,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:39,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:39,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754657873] [2021-06-17 06:25:39,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754657873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:39,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058236631] [2021-06-17 06:25:39,379 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:39,414 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-17 06:25:39,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:39,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 06:25:39,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:39,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:39,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:39,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:39,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:39,476 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:39,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:39,488 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:39,488 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:25:39,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:39,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:39,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:25:39,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:39,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:39,546 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:39,548 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 17 treesize of output 13 [2021-06-17 06:25:39,549 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:39,566 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:25:39,566 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:39,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:39,567 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:25:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:39,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058236631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:39,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:39,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-06-17 06:25:39,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595014736] [2021-06-17 06:25:39,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 06:25:39,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:39,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 06:25:39,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-17 06:25:39,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:39,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:39,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:39,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:39,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:41,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:41,000 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:41,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:41,000 INFO L82 PathProgramCache]: Analyzing trace with hash 542626298, now seen corresponding path program 19 times [2021-06-17 06:25:41,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:41,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717378321] [2021-06-17 06:25:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:41,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:41,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717378321] [2021-06-17 06:25:41,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717378321] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:41,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176771481] [2021-06-17 06:25:41,209 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:41,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-17 06:25:41,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:41,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:41,321 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:41,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:41,329 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-17 06:25:41,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:41,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-17 06:25:41,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:41,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:41,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-17 06:25:41,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:41,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-17 06:25:41,500 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-17 06:25:41,504 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,546 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-06-17 06:25:41,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:41,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:25:41,550 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:41,553 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:41,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:41,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:41,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:41,579 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:38 [2021-06-17 06:25:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:41,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176771481] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:41,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:41,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 23 [2021-06-17 06:25:41,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919905963] [2021-06-17 06:25:41,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-17 06:25:41,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:41,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-17 06:25:41,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-17 06:25:41,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:41,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:41,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:41,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:42,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-06-17 06:25:42,479 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:42,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1666925650, now seen corresponding path program 20 times [2021-06-17 06:25:42,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:42,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568865317] [2021-06-17 06:25:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:42,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:42,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568865317] [2021-06-17 06:25:42,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568865317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:42,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443794213] [2021-06-17 06:25:42,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:42,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:25:42,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:42,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 06:25:42,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:42,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:42,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:42,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:42,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:42,798 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:25:42,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:42,905 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 15 treesize of output 11 [2021-06-17 06:25:42,906 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:42,908 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,922 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:25:42,923 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:42,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,923 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:25:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:42,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443794213] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:42,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:42,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-17 06:25:42,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216992673] [2021-06-17 06:25:42,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:25:42,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:42,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:25:42,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:25:42,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:42,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:42,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:42,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:42,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:42,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:42,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:42,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:43,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:43,700 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:43,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:43,701 INFO L82 PathProgramCache]: Analyzing trace with hash 522464136, now seen corresponding path program 21 times [2021-06-17 06:25:43,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:43,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856174518] [2021-06-17 06:25:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:44,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:44,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856174518] [2021-06-17 06:25:44,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856174518] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:44,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718274794] [2021-06-17 06:25:44,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:44,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:25:44,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:44,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-17 06:25:44,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:44,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-17 06:25:44,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:25:44,903 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:44,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:44,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:44,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-17 06:25:44,972 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:44,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:44,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-17 06:25:44,984 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:45,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:45,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-17 06:25:45,027 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:255, output treesize:111 [2021-06-17 06:25:45,639 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-17 06:25:46,037 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-17 06:25:46,641 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-17 06:25:46,762 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 91=[array_0]} [2021-06-17 06:25:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2021-06-17 06:25:46,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-17 06:25:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:25:46,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:46,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-17 06:25:46,844 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-17 06:25:46,863 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-17 06:25:46,881 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-17 06:25:46,900 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:25:46,917 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-17 06:25:46,936 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:46,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:46,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2021-06-17 06:25:46,954 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:46,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-17 06:25:46,968 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,220 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2021-06-17 06:25:47,220 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-06-17 06:25:47,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-17 06:25:47,232 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:25:47,239 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-17 06:25:47,245 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-17 06:25:47,251 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:47,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:25:47,271 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:47,277 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:47,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:25:47,292 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:47,298 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:47,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:25:47,313 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-17 06:25:47,341 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:47,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:25:47,355 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:47,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:47,472 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-17 06:25:47,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:47,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-17 06:25:47,477 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:749, output treesize:185 [2021-06-17 06:25:47,671 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-17 06:25:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:47,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718274794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:47,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:47,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-06-17 06:25:47,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956000208] [2021-06-17 06:25:47,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-17 06:25:47,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:47,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-17 06:25:47,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1043, Unknown=0, NotChecked=0, Total=1122 [2021-06-17 06:25:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:47,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:47,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:47,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:47,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:49,279 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-17 06:25:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:49,622 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable349 [2021-06-17 06:25:49,623 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:49,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:49,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1143113668, now seen corresponding path program 22 times [2021-06-17 06:25:49,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:49,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44503471] [2021-06-17 06:25:49,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:49,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:49,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44503471] [2021-06-17 06:25:49,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44503471] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:49,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272212805] [2021-06-17 06:25:49,991 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:50,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:25:50,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-17 06:25:50,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:50,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:50,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 41 [2021-06-17 06:25:50,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:50,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:50,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:25:50,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:50,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:50,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:50,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-17 06:25:50,985 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:50,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-17 06:25:51,003 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-17 06:25:51,020 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:51,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-17 06:25:51,032 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,146 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2021-06-17 06:25:51,147 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.6 percent of original size [2021-06-17 06:25:51,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:25:51,152 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:397, output treesize:131 [2021-06-17 06:25:51,628 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_100], 1=[array_0, v_prenex_99]} [2021-06-17 06:25:51,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:51,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:51,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,672 INFO L628 ElimStorePlain]: treesize reduction 61, result has 44.0 percent of original size [2021-06-17 06:25:51,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:25:51,676 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:25:51,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:51,695 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-17 06:25:51,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:25:51,700 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:51,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:25:51,703 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:51,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:51,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:25:51,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:25:51,730 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:123, output treesize:23 [2021-06-17 06:25:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:51,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272212805] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:51,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:51,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-06-17 06:25:51,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533189445] [2021-06-17 06:25:51,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-17 06:25:51,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:51,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-17 06:25:51,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2021-06-17 06:25:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:51,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:51,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:52,702 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-17 06:25:52,924 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-06-17 06:25:53,140 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-17 06:25:53,371 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2021-06-17 06:25:53,690 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-06-17 06:25:53,992 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-17 06:25:54,256 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-17 06:25:54,594 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2021-06-17 06:25:54,894 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-17 06:25:55,193 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2021-06-17 06:25:55,481 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-17 06:25:55,786 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:56,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:56,087 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:56,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:56,087 INFO L82 PathProgramCache]: Analyzing trace with hash -419233606, now seen corresponding path program 23 times [2021-06-17 06:25:56,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:56,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971249815] [2021-06-17 06:25:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:56,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:56,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971249815] [2021-06-17 06:25:56,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971249815] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:56,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364333392] [2021-06-17 06:25:56,433 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:56,482 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:25:56,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:56,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-17 06:25:56,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:56,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:56,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:56,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:56,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:56,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:56,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:56,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:56,790 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:56,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:56,792 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:56,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:56,795 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:56,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:56,798 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:56,823 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-17 06:25:56,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:25:56,824 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:25:57,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:57,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:57,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:57,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:25:57,056 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:57,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:57,059 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:57,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:57,062 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:57,079 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:25:57,079 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:25:57,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:25:57,080 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:25:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:57,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364333392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:57,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:57,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-06-17 06:25:57,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845287679] [2021-06-17 06:25:57,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 06:25:57,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:57,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 06:25:57,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 06:25:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:57,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:57,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:57,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:00,072 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-06-17 06:26:00,673 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 150 [2021-06-17 06:26:01,556 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 127 [2021-06-17 06:26:02,208 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 131 [2021-06-17 06:26:02,642 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:02,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:02,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:02,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:02,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable399 [2021-06-17 06:26:02,954 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:02,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:02,955 INFO L82 PathProgramCache]: Analyzing trace with hash -325929234, now seen corresponding path program 24 times [2021-06-17 06:26:02,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:02,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910456306] [2021-06-17 06:26:02,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:03,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:03,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910456306] [2021-06-17 06:26:03,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910456306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:03,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576366388] [2021-06-17 06:26:03,491 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:03,537 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 06:26:03,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:03,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-17 06:26:03,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:26:03,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-17 06:26:03,847 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-17 06:26:03,861 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:26:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:03,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-17 06:26:03,870 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:03,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:26:03,906 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:251, output treesize:107 [2021-06-17 06:26:04,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:26:04,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:04,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:26:04,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:26:04,279 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:04,283 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,287 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 18 treesize of output 14 [2021-06-17 06:26:04,287 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:04,291 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:26:04,295 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-17 06:26:04,299 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:04,303 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:04,306 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:04,309 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:26:04,313 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:04,316 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,369 INFO L628 ElimStorePlain]: treesize reduction 83, result has 42.8 percent of original size [2021-06-17 06:26:04,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:04,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:26:04,373 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:26:04,375 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:04,395 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-17 06:26:04,395 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-17 06:26:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:04,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576366388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:04,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:04,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 31 [2021-06-17 06:26:04,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554468725] [2021-06-17 06:26:04,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:26:04,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:04,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:26:04,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:26:04,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:04,485 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:04,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:05,171 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-17 06:26:05,895 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-17 06:26:06,605 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-17 06:26:07,729 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-17 06:26:07,980 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-17 06:26:08,164 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:26:08,350 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:26:08,538 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:26:08,776 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-17 06:26:09,091 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:10,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:10,037 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:10,037 INFO L82 PathProgramCache]: Analyzing trace with hash 299097788, now seen corresponding path program 25 times [2021-06-17 06:26:10,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:10,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248288139] [2021-06-17 06:26:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:10,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:10,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248288139] [2021-06-17 06:26:10,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248288139] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:10,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469833968] [2021-06-17 06:26:10,200 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:10,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 06:26:10,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:10,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:10,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:10,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:10,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:10,311 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:10,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:10,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:10,323 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:26:10,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:10,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:10,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:10,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:10,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:26:10,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:10,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:10,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:10,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:10,460 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:10,474 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:26:10,474 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:26:10,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:10,475 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:26:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:10,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469833968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:10,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:10,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-17 06:26:10,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387920886] [2021-06-17 06:26:10,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:26:10,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:10,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:26:10,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:26:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:10,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:10,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:10,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:10,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:10,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:13,094 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable425 [2021-06-17 06:26:13,095 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:13,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:13,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1257096530, now seen corresponding path program 26 times [2021-06-17 06:26:13,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:13,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611796628] [2021-06-17 06:26:13,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:13,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:13,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611796628] [2021-06-17 06:26:13,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611796628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:13,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114796925] [2021-06-17 06:26:13,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:13,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:26:13,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:13,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-17 06:26:13,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:13,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:13,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:13,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:13,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:13,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:13,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:26:13,718 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:13,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:13,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-17 06:26:13,733 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-17 06:26:14,251 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 15=[array_0]} [2021-06-17 06:26:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:26:14,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-17 06:26:14,278 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-17 06:26:14,291 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:14,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-17 06:26:14,299 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-17 06:26:14,424 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2021-06-17 06:26:14,425 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-17 06:26:14,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,429 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 11 treesize of output 3 [2021-06-17 06:26:14,430 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:14,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,434 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 21 treesize of output 7 [2021-06-17 06:26:14,435 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:14,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:14,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:14,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-17 06:26:14,447 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:14,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:14,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:26:14,489 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:281, output treesize:55 [2021-06-17 06:26:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:14,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114796925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:14,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:14,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2021-06-17 06:26:14,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117540211] [2021-06-17 06:26:14,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-17 06:26:14,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:14,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-17 06:26:14,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2021-06-17 06:26:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:14,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:14,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:14,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:15,566 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable431 [2021-06-17 06:26:15,567 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:15,567 INFO L82 PathProgramCache]: Analyzing trace with hash 155654066, now seen corresponding path program 27 times [2021-06-17 06:26:15,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:15,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920575186] [2021-06-17 06:26:15,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:15,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:15,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920575186] [2021-06-17 06:26:15,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920575186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:15,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551786622] [2021-06-17 06:26:15,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:15,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 06:26:15,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:15,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-17 06:26:15,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:15,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:15,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:15,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:15,944 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:15,957 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:15,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:15,957 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:26:16,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:16,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:16,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:16,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:16,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:16,128 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:26:16,128 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:26:16,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:26:16,129 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:26:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:16,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551786622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:16,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:16,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-17 06:26:16,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865071516] [2021-06-17 06:26:16,158 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 06:26:16,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:16,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 06:26:16,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-17 06:26:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:16,159 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:16,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:16,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:17,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:17,099 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:17,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1187860484, now seen corresponding path program 28 times [2021-06-17 06:26:17,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:17,099 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483914258] [2021-06-17 06:26:17,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:17,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:17,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483914258] [2021-06-17 06:26:17,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483914258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:17,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706875591] [2021-06-17 06:26:17,892 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:17,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:26:17,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:17,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-17 06:26:17,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:18,999 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-06-17 06:26:19,419 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-06-17 06:26:19,893 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 166 [2021-06-17 06:26:20,462 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 170 [2021-06-17 06:26:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-17 06:26:20,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:20,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:20,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:20,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-17 06:26:20,648 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:21,090 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-17 06:26:21,091 INFO L628 ElimStorePlain]: treesize reduction 63, result has 88.0 percent of original size [2021-06-17 06:26:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-17 06:26:21,126 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:21,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-17 06:26:21,145 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:21,247 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-17 06:26:21,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-17 06:26:21,285 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:21,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:21,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 69 [2021-06-17 06:26:21,306 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:21,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:21,392 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-17 06:26:21,392 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:612, output treesize:307 [2021-06-17 06:26:22,617 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_121, v_prenex_123], 15=[array_0, v_prenex_120, v_prenex_122]} [2021-06-17 06:26:22,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2021-06-17 06:26:22,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-06-17 06:26:22,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,765 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-17 06:26:22,766 INFO L628 ElimStorePlain]: treesize reduction 67, result has 77.1 percent of original size [2021-06-17 06:26:22,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-17 06:26:22,774 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:26:22,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:22,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-06-17 06:26:22,843 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2021-06-17 06:26:22,848 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:22,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,886 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 12 treesize of output 5 [2021-06-17 06:26:22,887 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,890 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 10 treesize of output 5 [2021-06-17 06:26:22,891 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:22,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:26:22,930 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:26:22,934 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:22,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:22,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-17 06:26:22,979 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:22,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:22,982 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 11 treesize of output 3 [2021-06-17 06:26:22,983 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:23,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:23,016 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:26:23,016 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:379, output treesize:31 [2021-06-17 06:26:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:23,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706875591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:23,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:23,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-17 06:26:23,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15015891] [2021-06-17 06:26:23,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-17 06:26:23,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:23,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-17 06:26:23,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1470, Unknown=0, NotChecked=0, Total=1560 [2021-06-17 06:26:23,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:23,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:23,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:23,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:23,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:23,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:23,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:25,463 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2021-06-17 06:26:25,919 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2021-06-17 06:26:26,497 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-17 06:26:27,139 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2021-06-17 06:26:27,880 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2021-06-17 06:26:28,246 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-06-17 06:26:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:28,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:28,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:28,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable452 [2021-06-17 06:26:28,697 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:28,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:28,698 INFO L82 PathProgramCache]: Analyzing trace with hash -736392604, now seen corresponding path program 29 times [2021-06-17 06:26:28,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:28,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803263159] [2021-06-17 06:26:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:29,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:29,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803263159] [2021-06-17 06:26:29,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803263159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:29,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791422629] [2021-06-17 06:26:29,093 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:29,142 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:26:29,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:29,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-17 06:26:29,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 48 [2021-06-17 06:26:30,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-17 06:26:30,428 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-17 06:26:30,452 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-17 06:26:30,475 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-17 06:26:30,498 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:30,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-17 06:26:30,509 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:30,639 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-17 06:26:30,639 INFO L628 ElimStorePlain]: treesize reduction 8, result has 95.1 percent of original size [2021-06-17 06:26:30,644 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:26:30,644 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:487, output treesize:149 [2021-06-17 06:26:31,228 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-17 06:26:31,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:26:31,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:26:31,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:26:31,235 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:31,261 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-17 06:26:31,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:31,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:26:31,264 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:31,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:31,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:31,273 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-17 06:26:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:31,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791422629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:31,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:31,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-17 06:26:31,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421155645] [2021-06-17 06:26:31,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-17 06:26:31,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:31,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-17 06:26:31,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2021-06-17 06:26:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:31,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:31,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 41 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:31,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:34,174 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-06-17 06:26:34,421 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-17 06:26:34,828 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-17 06:26:35,076 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-17 06:26:35,316 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-17 06:26:35,571 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-17 06:26:35,926 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-17 06:26:36,201 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-06-17 06:26:36,527 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-06-17 06:26:36,849 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-17 06:26:37,141 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-17 06:26:37,436 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-17 06:26:37,729 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-17 06:26:38,022 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-17 06:26:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:38,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable511,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:38,293 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:38,293 INFO L82 PathProgramCache]: Analyzing trace with hash -695782510, now seen corresponding path program 30 times [2021-06-17 06:26:38,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:38,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607889801] [2021-06-17 06:26:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:38,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:38,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607889801] [2021-06-17 06:26:38,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607889801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:38,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875860869] [2021-06-17 06:26:38,691 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:38,738 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 06:26:38,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:38,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-17 06:26:38,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:39,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:26:39,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:39,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:39,078 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 17 treesize of output 13 [2021-06-17 06:26:39,079 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:39,082 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:39,085 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:39,088 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,120 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-17 06:26:39,121 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:26:39,121 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:26:39,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:26:39,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:39,412 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 17 treesize of output 13 [2021-06-17 06:26:39,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:39,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:39,417 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:39,420 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:39,439 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:26:39,439 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:26:39,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:39,440 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:26:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:39,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875860869] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:39,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:39,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-17 06:26:39,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100717537] [2021-06-17 06:26:39,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-17 06:26:39,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:39,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-17 06:26:39,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-06-17 06:26:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:39,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:39,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:43,402 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2021-06-17 06:26:43,922 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-17 06:26:44,420 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-17 06:26:44,869 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-17 06:26:45,345 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-17 06:26:45,740 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:46,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable535 [2021-06-17 06:26:46,076 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:46,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1173478926, now seen corresponding path program 31 times [2021-06-17 06:26:46,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:46,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694508460] [2021-06-17 06:26:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:46,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:46,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694508460] [2021-06-17 06:26:46,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694508460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:46,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242475832] [2021-06-17 06:26:46,710 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:46,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-17 06:26:46,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:47,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-17 06:26:47,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-17 06:26:47,375 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-17 06:26:47,388 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-06-17 06:26:47,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-17 06:26:47,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-17 06:26:47,414 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-17 06:26:47,425 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-17 06:26:47,430 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,482 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-17 06:26:47,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:26:47,483 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:354, output treesize:95 [2021-06-17 06:26:47,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:47,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-17 06:26:47,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:47,992 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:47,996 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:47,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:48,000 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 15 treesize of output 11 [2021-06-17 06:26:48,000 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:48,004 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:48,007 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 27 treesize of output 21 [2021-06-17 06:26:48,008 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:48,011 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 15 treesize of output 11 [2021-06-17 06:26:48,012 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:48,015 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:48,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:26:48,019 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:48,022 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 25 treesize of output 19 [2021-06-17 06:26:48,023 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:48,026 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:26:48,030 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,080 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-17 06:26:48,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:48,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:26:48,084 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:26:48,087 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:48,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:48,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-17 06:26:48,107 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-17 06:26:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:48,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242475832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:48,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:48,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-17 06:26:48,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368535242] [2021-06-17 06:26:48,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-17 06:26:48,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:48,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-17 06:26:48,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1711, Unknown=0, NotChecked=0, Total=1806 [2021-06-17 06:26:48,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:48,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:48,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:48,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:48,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:49,850 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-06-17 06:26:50,047 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2021-06-17 06:26:50,257 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-17 06:26:50,471 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-17 06:26:50,808 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-06-17 06:26:51,032 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-17 06:26:51,236 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-17 06:26:51,433 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-17 06:26:51,681 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-17 06:26:51,966 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-17 06:26:52,374 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2021-06-17 06:26:52,931 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-06-17 06:26:53,209 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2021-06-17 06:26:53,402 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-06-17 06:26:53,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:53,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable543 [2021-06-17 06:26:53,907 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:53,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:53,907 INFO L82 PathProgramCache]: Analyzing trace with hash 972838500, now seen corresponding path program 32 times [2021-06-17 06:26:53,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:53,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81189293] [2021-06-17 06:26:53,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:54,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:54,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81189293] [2021-06-17 06:26:54,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81189293] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:54,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942385439] [2021-06-17 06:26:54,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:54,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:26:54,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:54,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-17 06:26:54,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:54,361 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 15 treesize of output 11 [2021-06-17 06:26:54,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:54,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:54,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:54,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:54,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:54,376 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-17 06:26:54,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:54,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:54,493 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:54,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:26:54,496 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:54,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:54,498 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:54,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:26:54,500 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:54,515 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:26:54,515 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:26:54,515 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:26:54,515 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:26:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:54,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942385439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:54,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:54,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-17 06:26:54,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13826912] [2021-06-17 06:26:54,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 06:26:54,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:54,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 06:26:54,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-17 06:26:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:54,542 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:54,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:54,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:26:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:26:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:57,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable568 [2021-06-17 06:26:57,857 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:57,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:57,857 INFO L82 PathProgramCache]: Analyzing trace with hash -531830278, now seen corresponding path program 33 times [2021-06-17 06:26:57,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:57,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112154480] [2021-06-17 06:26:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:58,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:58,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112154480] [2021-06-17 06:26:58,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112154480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:58,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838784716] [2021-06-17 06:26:58,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:58,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 06:26:58,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:58,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-17 06:26:58,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:58,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:58,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-17 06:26:58,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:58,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:58,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-17 06:26:58,911 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:58,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:26:58,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-17 06:26:58,943 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:147, output treesize:69 [2021-06-17 06:26:59,420 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-06-17 06:26:59,655 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-06-17 06:26:59,920 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-17 06:27:00,252 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-06-17 06:27:00,361 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_140, array_4, v_prenex_142], 5=[array_0, v_prenex_141, v_prenex_139]} [2021-06-17 06:27:00,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-17 06:27:00,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:00,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-17 06:27:00,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:00,467 INFO L628 ElimStorePlain]: treesize reduction 156, result has 44.1 percent of original size [2021-06-17 06:27:00,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-06-17 06:27:00,472 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:27:00,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:00,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-17 06:27:00,504 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:00,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:00,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:00,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:00,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:27:00,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:00,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:00,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:27:00,531 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:00,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:00,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:00,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-17 06:27:00,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-17 06:27:00,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:27:00,557 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:349, output treesize:21 [2021-06-17 06:27:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:00,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838784716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:00,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:00,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2021-06-17 06:27:00,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498085580] [2021-06-17 06:27:00,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 06:27:00,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:00,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 06:27:00,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 06:27:00,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:00,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:00,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:00,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:00,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:02,449 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:02,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:02,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable574 [2021-06-17 06:27:02,734 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:02,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:02,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1787768622, now seen corresponding path program 34 times [2021-06-17 06:27:02,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:02,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717237391] [2021-06-17 06:27:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:03,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:03,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717237391] [2021-06-17 06:27:03,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717237391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:03,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802836003] [2021-06-17 06:27:03,034 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:03,080 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:27:03,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:03,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-17 06:27:03,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:03,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:03,202 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:03,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:03,204 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:03,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:03,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:27:03,218 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:27:03,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:03,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:03,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:03,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:03,393 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:03,407 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:27:03,407 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:27:03,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:27:03,407 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:27:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:03,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802836003] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:03,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:03,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-17 06:27:03,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688739261] [2021-06-17 06:27:03,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-17 06:27:03,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:03,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-17 06:27:03,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-17 06:27:03,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:03,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:03,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:03,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:04,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-06-17 06:27:04,577 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:04,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:04,577 INFO L82 PathProgramCache]: Analyzing trace with hash 243804168, now seen corresponding path program 35 times [2021-06-17 06:27:04,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:04,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891781957] [2021-06-17 06:27:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:05,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:05,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891781957] [2021-06-17 06:27:05,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891781957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:05,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044615059] [2021-06-17 06:27:05,624 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:05,675 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:27:05,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:05,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-17 06:27:05,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:06,979 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-06-17 06:27:07,479 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2021-06-17 06:27:08,051 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-06-17 06:27:08,712 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2021-06-17 06:27:09,518 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 195 [2021-06-17 06:27:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-17 06:27:09,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:09,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:09,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:09,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-06-17 06:27:09,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:10,018 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2021-06-17 06:27:10,018 INFO L628 ElimStorePlain]: treesize reduction 124, result has 80.3 percent of original size [2021-06-17 06:27:10,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-06-17 06:27:10,069 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:10,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-17 06:27:10,093 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:10,200 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-17 06:27:10,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:10,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:10,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 73 [2021-06-17 06:27:10,233 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:10,338 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-17 06:27:10,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:10,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-17 06:27:10,367 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:719, output treesize:351 [2021-06-17 06:27:11,946 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_155, v_prenex_157], 21=[array_0, v_prenex_154, v_prenex_156]} [2021-06-17 06:27:11,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2021-06-17 06:27:11,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:11,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-17 06:27:11,969 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,119 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-06-17 06:27:12,119 INFO L628 ElimStorePlain]: treesize reduction 76, result has 76.9 percent of original size [2021-06-17 06:27:12,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-17 06:27:12,125 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:27:12,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:12,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2021-06-17 06:27:12,205 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-06-17 06:27:12,211 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:12,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:27:12,252 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:27:12,257 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:12,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:27:12,293 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:27:12,297 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:12,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:12,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:27:12,337 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:12,339 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 9 treesize of output 3 [2021-06-17 06:27:12,340 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:12,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:12,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:27:12,369 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:433, output treesize:31 [2021-06-17 06:27:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:12,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044615059] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:12,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:12,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-17 06:27:12,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881638915] [2021-06-17 06:27:12,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-17 06:27:12,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:12,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-17 06:27:12,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-17 06:27:12,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:12,452 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:12,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:12,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:14,274 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-17 06:27:14,714 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-06-17 06:27:15,261 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 114 [2021-06-17 06:27:15,918 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2021-06-17 06:27:16,684 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-06-17 06:27:17,601 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 152 [2021-06-17 06:27:18,710 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2021-06-17 06:27:19,089 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-17 06:27:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:19,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable623 [2021-06-17 06:27:19,460 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:19,460 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 36 times [2021-06-17 06:27:19,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:19,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200474034] [2021-06-17 06:27:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:20,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:20,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200474034] [2021-06-17 06:27:20,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200474034] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:20,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616535365] [2021-06-17 06:27:20,086 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:20,137 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 06:27:20,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:20,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-17 06:27:20,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:21,074 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-17 06:27:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:21,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-17 06:27:21,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:21,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 55 [2021-06-17 06:27:22,010 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-17 06:27:22,039 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-17 06:27:22,070 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-17 06:27:22,099 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:22,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-17 06:27:22,115 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:22,234 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-17 06:27:22,234 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-17 06:27:22,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:27:22,239 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:523, output treesize:125 [2021-06-17 06:27:22,974 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_165], 1=[array_0, v_prenex_164]} [2021-06-17 06:27:22,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:22,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:22,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:22,982 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:23,015 INFO L628 ElimStorePlain]: treesize reduction 38, result has 54.8 percent of original size [2021-06-17 06:27:23,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:27:23,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:27:23,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:23,038 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-17 06:27:23,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:23,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:23,041 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 11 treesize of output 3 [2021-06-17 06:27:23,042 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:23,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:23,045 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 21 treesize of output 7 [2021-06-17 06:27:23,046 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:23,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:23,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:23,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:27:23,073 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-17 06:27:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:23,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616535365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:23,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:23,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2021-06-17 06:27:23,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022696196] [2021-06-17 06:27:23,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-17 06:27:23,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:23,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-17 06:27:23,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=2137, Unknown=0, NotChecked=0, Total=2256 [2021-06-17 06:27:23,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:23,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:23,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:23,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:23,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:23,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:23,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:23,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:23,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:25,108 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-17 06:27:25,445 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2021-06-17 06:27:25,772 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-17 06:27:26,099 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-17 06:27:26,439 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2021-06-17 06:27:26,801 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-17 06:27:27,142 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-17 06:27:27,566 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-06-17 06:27:27,915 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-06-17 06:27:28,359 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-06-17 06:27:29,071 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-17 06:27:29,465 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 88 [2021-06-17 06:27:29,847 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-17 06:27:30,255 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-17 06:27:30,657 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-17 06:27:31,050 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-06-17 06:27:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:31,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable685 [2021-06-17 06:27:31,360 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:31,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:31,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1067550906, now seen corresponding path program 37 times [2021-06-17 06:27:31,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:31,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546945974] [2021-06-17 06:27:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:31,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:31,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546945974] [2021-06-17 06:27:31,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546945974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:31,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958373133] [2021-06-17 06:27:31,813 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:31,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 06:27:31,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:32,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:27:32,146 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:32,149 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 16 treesize of output 12 [2021-06-17 06:27:32,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:27:32,153 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,156 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 7 treesize of output 5 [2021-06-17 06:27:32,157 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,159 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 8 treesize of output 6 [2021-06-17 06:27:32,160 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:27:32,164 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,201 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-17 06:27:32,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:27:32,202 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:27:32,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:32,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:32,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:32,484 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 [2021-06-17 06:27:32,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:32,487 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:27:32,490 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:32,505 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:27:32,506 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:27:32,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:27:32,506 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:27:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:32,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958373133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:32,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:32,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-17 06:27:32,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117459489] [2021-06-17 06:27:32,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-17 06:27:32,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:32,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-17 06:27:32,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-06-17 06:27:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:32,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:32,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:32,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:32,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:35,896 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-17 06:27:36,452 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-17 06:27:36,960 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-17 06:27:37,399 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-17 06:27:37,852 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-17 06:27:38,318 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-17 06:27:38,748 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 166 [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:27:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:39,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable706,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:39,073 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:39,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:39,073 INFO L82 PathProgramCache]: Analyzing trace with hash -374453650, now seen corresponding path program 38 times [2021-06-17 06:27:39,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:39,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98862697] [2021-06-17 06:27:39,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:39,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:39,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98862697] [2021-06-17 06:27:39,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98862697] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:39,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57018840] [2021-06-17 06:27:39,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:39,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:27:39,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:39,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-17 06:27:39,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-17 06:27:40,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-17 06:27:40,277 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:27:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-17 06:27:40,302 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:40,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-17 06:27:40,316 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:40,352 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:27:40,352 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:339, output treesize:107 [2021-06-17 06:27:40,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:27:40,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:40,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-17 06:27:40,932 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:27:40,937 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:27:40,942 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:40,946 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,950 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,953 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,956 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,959 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:40,963 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 27 treesize of output 21 [2021-06-17 06:27:40,964 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,966 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,969 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:40,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:40,972 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:41,023 INFO L628 ElimStorePlain]: treesize reduction 65, result has 48.8 percent of original size [2021-06-17 06:27:41,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:41,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:27:41,027 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:41,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:27:41,030 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:41,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:41,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-17 06:27:41,051 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-17 06:27:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:41,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57018840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:41,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:41,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-06-17 06:27:41,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721818259] [2021-06-17 06:27:41,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-17 06:27:41,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:41,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-17 06:27:41,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2021-06-17 06:27:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:41,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:41,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:42,153 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-17 06:27:43,170 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-17 06:27:44,207 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-17 06:27:45,811 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-06-17 06:27:46,708 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-17 06:27:46,956 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-17 06:27:47,163 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:27:47,374 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:27:47,584 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:27:47,787 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:27:47,994 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:27:48,256 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-17 06:27:48,639 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-17 06:27:48,963 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-17 06:27:49,447 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2021-06-17 06:27:49,826 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-17 06:27:50,331 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 118 [2021-06-17 06:27:50,638 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-17 06:27:51,076 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 123 [2021-06-17 06:27:51,411 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 94 [2021-06-17 06:27:51,871 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2021-06-17 06:27:52,229 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2021-06-17 06:27:52,747 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 133 [2021-06-17 06:27:52,936 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-17 06:27:53,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 06:27:53,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable714 [2021-06-17 06:27:53,293 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:53,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:53,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1350682300, now seen corresponding path program 39 times [2021-06-17 06:27:53,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:53,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483539143] [2021-06-17 06:27:53,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:53,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:53,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483539143] [2021-06-17 06:27:53,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483539143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:53,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559749007] [2021-06-17 06:27:53,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:53,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 06:27:53,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:53,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-17 06:27:53,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:53,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:53,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:53,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:53,811 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:53,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:27:53,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:27:53,827 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-17 06:27:54,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:54,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:27:54,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:54,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:54,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:54,026 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:54,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:27:54,028 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:54,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:27:54,031 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:54,047 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:27:54,047 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:27:54,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:27:54,048 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:27:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:54,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559749007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:54,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:54,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-17 06:27:54,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517581089] [2021-06-17 06:27:54,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-17 06:27:54,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:54,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-17 06:27:54,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-17 06:27:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:54,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:54,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 06:27:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:27:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:58,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-06-17 06:27:58,369 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:58,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:58,369 INFO L82 PathProgramCache]: Analyzing trace with hash -693779886, now seen corresponding path program 40 times [2021-06-17 06:27:58,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:58,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184373511] [2021-06-17 06:27:58,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:59,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:59,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184373511] [2021-06-17 06:27:59,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184373511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:59,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280441097] [2021-06-17 06:27:59,015 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:59,065 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:27:59,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:59,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-17 06:27:59,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:59,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:59,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:59,207 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:59,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:59,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-17 06:27:59,210 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:59,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:27:59,213 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:59,252 INFO L628 ElimStorePlain]: treesize reduction 22, result has 68.6 percent of original size [2021-06-17 06:27:59,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:27:59,253 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-06-17 06:27:59,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-06-17 06:27:59,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:27:59,852 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-17 06:27:59,853 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:27:59,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:27:59,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2021-06-17 06:27:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:59,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280441097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:59,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:59,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 36 [2021-06-17 06:27:59,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947054442] [2021-06-17 06:27:59,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-17 06:27:59,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:59,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-17 06:27:59,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2021-06-17 06:27:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:59,901 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:59,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:59,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:01,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-17 06:28:01,789 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:01,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1289985842, now seen corresponding path program 41 times [2021-06-17 06:28:01,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:01,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418991303] [2021-06-17 06:28:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:02,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:02,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418991303] [2021-06-17 06:28:02,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418991303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:02,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344757940] [2021-06-17 06:28:02,165 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:28:02,219 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 06:28:02,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:28:02,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 06:28:02,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:02,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:02,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:28:02,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:02,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:28:02,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:02,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:02,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:28:02,359 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:28:02,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:02,656 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 16 treesize of output 12 [2021-06-17 06:28:02,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:02,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:28:02,660 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:02,676 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:28:02,676 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:28:02,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:28:02,677 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:28:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:02,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344757940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:02,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:02,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-17 06:28:02,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51014719] [2021-06-17 06:28:02,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-17 06:28:02,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:02,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-17 06:28:02,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-17 06:28:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:02,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:02,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:02,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:04,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable757,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:28:04,111 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:04,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:04,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1992407172, now seen corresponding path program 42 times [2021-06-17 06:28:04,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:04,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953617736] [2021-06-17 06:28:04,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:05,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:05,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953617736] [2021-06-17 06:28:05,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953617736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:05,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770381646] [2021-06-17 06:28:05,034 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:28:05,089 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 06:28:05,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:28:05,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 116 conjunts are in the unsatisfiable core [2021-06-17 06:28:05,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:05,954 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-17 06:28:06,767 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-17 06:28:07,309 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-17 06:28:07,883 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:28:08,535 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-06-17 06:28:09,256 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-17 06:28:10,100 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-17 06:28:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-17 06:28:10,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:10,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:10,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-17 06:28:10,597 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:11,151 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2021-06-17 06:28:11,152 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-17 06:28:11,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-17 06:28:11,221 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:11,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-17 06:28:11,255 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:11,465 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-17 06:28:11,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 93 [2021-06-17 06:28:11,526 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:11,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:11,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-17 06:28:11,557 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:11,732 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-17 06:28:11,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:11,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-17 06:28:11,744 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:878, output treesize:522 [2021-06-17 06:28:12,092 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 149 [2021-06-17 06:28:13,379 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-17 06:28:13,896 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-17 06:28:14,391 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-17 06:28:14,989 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-17 06:28:15,640 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-17 06:28:16,204 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-17 06:28:16,513 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_209, array_4, v_prenex_211, v_prenex_213, v_prenex_215], 28=[v_prenex_208, array_0, v_prenex_210, v_prenex_212, v_prenex_214]} [2021-06-17 06:28:16,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 61 [2021-06-17 06:28:16,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:16,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-17 06:28:16,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:28:16,957 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 192 [2021-06-17 06:28:16,957 INFO L628 ElimStorePlain]: treesize reduction 206, result has 73.1 percent of original size [2021-06-17 06:28:16,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-17 06:28:16,986 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:16,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 65 [2021-06-17 06:28:16,996 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,134 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-06-17 06:28:17,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-17 06:28:17,144 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-17 06:28:17,275 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-17 06:28:17,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-17 06:28:17,301 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2021-06-17 06:28:17,310 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-06-17 06:28:17,409 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:28:17,488 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:28:17,494 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:28:17,580 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,585 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 24 treesize of output 9 [2021-06-17 06:28:17,586 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:28:17,660 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:28:17,665 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:28:17,744 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:17,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:28:17,748 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:17,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:17,813 INFO L518 ElimStorePlain]: Eliminatee v_prenex_214 vanished before elimination [2021-06-17 06:28:17,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-17 06:28:17,816 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:870, output treesize:81 [2021-06-17 06:28:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:17,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770381646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:17,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:17,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-06-17 06:28:17,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081521157] [2021-06-17 06:28:17,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-17 06:28:17,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:17,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-17 06:28:17,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2506, Unknown=0, NotChecked=0, Total=2652 [2021-06-17 06:28:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:17,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:17,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:28:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:17,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:21,020 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-17 06:28:21,429 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2021-06-17 06:28:22,360 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-17 06:28:23,411 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 257 [2021-06-17 06:28:24,488 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2021-06-17 06:28:25,888 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 299 DAG size of output: 269 [2021-06-17 06:28:27,389 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2021-06-17 06:28:29,132 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 307 DAG size of output: 277 [2021-06-17 06:28:29,987 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 211 [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:30,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable760 [2021-06-17 06:28:30,563 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:30,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:30,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1425792356, now seen corresponding path program 43 times [2021-06-17 06:28:30,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:30,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095449495] [2021-06-17 06:28:30,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:31,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:31,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095449495] [2021-06-17 06:28:31,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095449495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:31,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495907157] [2021-06-17 06:28:31,219 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:28:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:31,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-17 06:28:31,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:33,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-17 06:28:33,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:33,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-17 06:28:33,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:33,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-17 06:28:33,770 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 62 [2021-06-17 06:28:33,814 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:33,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-17 06:28:33,860 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:33,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-17 06:28:33,885 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:34,007 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-17 06:28:34,007 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-17 06:28:34,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:28:34,011 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:589, output treesize:125 [2021-06-17 06:28:34,936 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-17 06:28:34,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:28:34,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:34,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:28:34,983 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:28:35,011 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-17 06:28:35,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:35,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:28:35,014 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:35,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:28:35,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:28:35,023 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-17 06:28:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:35,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495907157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:35,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:35,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2021-06-17 06:28:35,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740794577] [2021-06-17 06:28:35,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-17 06:28:35,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:35,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-17 06:28:35,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2601, Unknown=0, NotChecked=0, Total=2756 [2021-06-17 06:28:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:35,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:35,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:40,384 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-06-17 06:28:40,783 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-17 06:28:41,113 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-17 06:28:41,502 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-17 06:28:41,888 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-17 06:28:42,263 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-17 06:28:42,651 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-17 06:28:43,021 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-17 06:28:43,463 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-06-17 06:28:43,855 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-17 06:28:44,314 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-17 06:28:44,708 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-17 06:28:45,086 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-17 06:28:45,468 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-17 06:28:45,910 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-17 06:28:46,315 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-17 06:28:46,737 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-17 06:28:47,141 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2021-06-17 06:28:47,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:47,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:47,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:28:47,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable895 [2021-06-17 06:28:47,473 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:47,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:47,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1907441810, now seen corresponding path program 44 times [2021-06-17 06:28:47,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:47,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064532665] [2021-06-17 06:28:47,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:48,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:48,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064532665] [2021-06-17 06:28:48,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064532665] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:48,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877907618] [2021-06-17 06:28:48,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:28:48,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:28:48,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:28:48,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-17 06:28:48,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:48,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:28:48,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:28:48,436 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:28:48,440 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:28:48,443 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:48,445 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 17 treesize of output 13 [2021-06-17 06:28:48,446 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,448 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 16 treesize of output 12 [2021-06-17 06:28:48,449 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,481 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-17 06:28:48,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:28:48,482 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:28:48,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:48,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:28:48,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:28:48,812 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:48,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:28:48,815 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:28:48,818 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:48,834 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:28:48,834 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:28:48,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:28:48,834 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:28:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:48,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877907618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:48,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:48,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-17 06:28:48,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108508472] [2021-06-17 06:28:48,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-17 06:28:48,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:48,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-17 06:28:48,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-06-17 06:28:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:48,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:48,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:28:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:28:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:53,489 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-17 06:28:55,218 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-17 06:28:56,961 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-17 06:28:58,774 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-17 06:29:01,149 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-17 06:29:02,944 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-17 06:29:04,464 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-17 06:29:05,414 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:05,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable921 [2021-06-17 06:29:05,815 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:29:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:29:05,815 INFO L82 PathProgramCache]: Analyzing trace with hash -2002335374, now seen corresponding path program 45 times [2021-06-17 06:29:05,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:29:05,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024436732] [2021-06-17 06:29:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:29:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:06,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:29:06,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024436732] [2021-06-17 06:29:06,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024436732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:06,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566407015] [2021-06-17 06:29:06,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:06,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 06:29:06,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:29:06,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-17 06:29:06,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:29:07,555 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-17 06:29:07,778 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-17 06:29:08,029 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-17 06:29:08,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-06-17 06:29:08,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-17 06:29:08,147 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-17 06:29:08,183 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:08,201 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 91 treesize of output 61 [2021-06-17 06:29:08,203 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:08,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:08,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-17 06:29:08,257 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:401, output treesize:125 [2021-06-17 06:29:09,883 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-17 06:29:09,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,889 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 17 treesize of output 13 [2021-06-17 06:29:09,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:29:09,896 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,901 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 18 treesize of output 14 [2021-06-17 06:29:09,901 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,907 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 25 treesize of output 19 [2021-06-17 06:29:09,907 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-17 06:29:09,913 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-17 06:29:09,919 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:29:09,924 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:29:09,930 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-17 06:29:09,936 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:29:09,942 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:09,949 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 15 treesize of output 11 [2021-06-17 06:29:09,950 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:09,954 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 16 treesize of output 12 [2021-06-17 06:29:09,955 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:10,139 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-06-17 06:29:10,140 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-06-17 06:29:10,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:10,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:10,146 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 10 treesize of output 5 [2021-06-17 06:29:10,146 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:10,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:10,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:10,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:29:10,152 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:10,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:10,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-17 06:29:10,157 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:10,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:10,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-17 06:29:10,234 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-06-17 06:29:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:10,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566407015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:10,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:29:10,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-06-17 06:29:10,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943035829] [2021-06-17 06:29:10,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-17 06:29:10,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:29:10,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-17 06:29:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=2146, Unknown=0, NotChecked=0, Total=2256 [2021-06-17 06:29:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:10,413 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:29:10,413 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:29:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:10,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:13,121 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2021-06-17 06:29:13,391 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-06-17 06:29:13,705 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-17 06:29:13,950 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-17 06:29:14,335 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2021-06-17 06:29:14,846 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2021-06-17 06:29:15,310 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-17 06:29:15,743 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-17 06:29:16,183 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-17 06:29:16,614 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-17 06:29:17,059 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-17 06:29:17,533 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-17 06:29:18,010 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-17 06:29:18,694 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 186 [2021-06-17 06:29:19,063 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-06-17 06:29:19,214 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2021-06-17 06:29:19,825 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-06-17 06:29:20,164 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2021-06-17 06:29:20,371 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-06-17 06:29:20,588 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2021-06-17 06:29:20,808 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:29:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:21,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable930 [2021-06-17 06:29:21,390 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:29:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:29:21,391 INFO L82 PathProgramCache]: Analyzing trace with hash 625211748, now seen corresponding path program 46 times [2021-06-17 06:29:21,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:29:21,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033487316] [2021-06-17 06:29:21,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:29:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:21,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:29:21,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033487316] [2021-06-17 06:29:21,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033487316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:21,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143236178] [2021-06-17 06:29:21,877 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:21,926 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:29:21,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:29:21,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 06:29:21,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:29:22,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:22,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:29:22,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:22,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:29:22,052 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:22,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:22,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:29:22,068 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:29:22,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:29:22,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:22,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:22,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:29:22,309 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:22,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:22,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:29:22,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:22,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:29:22,316 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:22,334 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:29:22,334 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:29:22,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:29:22,335 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:29:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:22,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143236178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:22,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:29:22,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-17 06:29:22,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860604300] [2021-06-17 06:29:22,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-17 06:29:22,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:29:22,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-17 06:29:22,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-17 06:29:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:22,377 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:29:22,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:29:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:29,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable968,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:29,012 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:29:29,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:29:29,012 INFO L82 PathProgramCache]: Analyzing trace with hash 598180346, now seen corresponding path program 47 times [2021-06-17 06:29:29,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:29:29,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560466748] [2021-06-17 06:29:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:29:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:29,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:29:29,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560466748] [2021-06-17 06:29:29,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560466748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:29,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673351344] [2021-06-17 06:29:29,680 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:29,803 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 06:29:29,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:29:29,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-17 06:29:29,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:29:29,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:29:29,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:29,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:29:29,954 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:29,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:29,963 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:29:29,963 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-17 06:29:30,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:30,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-06-17 06:29:30,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:30,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:30,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-06-17 06:29:30,546 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:30,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:30,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-17 06:29:30,571 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:30,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:29:30,575 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:30,625 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-06-17 06:29:30,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:30,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:29:30,629 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:30,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:29:30,633 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:30,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:30,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:30,665 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:29:30,666 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:293, output treesize:38 [2021-06-17 06:29:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:30,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673351344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:30,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:29:30,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 39 [2021-06-17 06:29:30,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64737018] [2021-06-17 06:29:30,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-17 06:29:30,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:29:30,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-17 06:29:30,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-06-17 06:29:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:30,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:29:30,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:29:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:32,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable975 [2021-06-17 06:29:32,667 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:29:32,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:29:32,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1154433710, now seen corresponding path program 48 times [2021-06-17 06:29:32,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:29:32,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107255106] [2021-06-17 06:29:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:29:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:33,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:29:33,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107255106] [2021-06-17 06:29:33,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107255106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:33,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519033808] [2021-06-17 06:29:33,119 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:33,179 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 06:29:33,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:29:33,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-17 06:29:33,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:29:33,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:29:33,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:33,344 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 16 treesize of output 12 [2021-06-17 06:29:33,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:33,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:33,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:29:33,360 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:29:33,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:33,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:29:33,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:33,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:29:33,713 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:33,730 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:29:33,730 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:29:33,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:29:33,731 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:29:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:33,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519033808] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:33,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:29:33,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-17 06:29:33,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594461542] [2021-06-17 06:29:33,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 06:29:33,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:29:33,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 06:29:33,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 06:29:33,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:33,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:29:33,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:29:35,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable990,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:35,605 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:29:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:29:35,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2085258376, now seen corresponding path program 49 times [2021-06-17 06:29:35,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:29:35,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54545565] [2021-06-17 06:29:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:29:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:37,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:29:37,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54545565] [2021-06-17 06:29:37,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54545565] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:37,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544416408] [2021-06-17 06:29:37,217 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:37,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-06-17 06:29:37,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:29:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:39,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-17 06:29:39,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-17 06:29:39,880 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:39,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:39,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:39,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:40,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-17 06:29:40,021 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:40,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:40,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:40,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-17 06:29:40,050 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:40,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:40,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-17 06:29:40,095 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:427, output treesize:107 [2021-06-17 06:29:41,121 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-17 06:29:41,489 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-06-17 06:29:41,915 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-17 06:29:42,413 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-17 06:29:42,986 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-17 06:29:43,665 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-17 06:29:44,454 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-17 06:29:44,616 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 153=[array_0]} [2021-06-17 06:29:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:44,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 76 [2021-06-17 06:29:44,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-17 06:29:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:44,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-17 06:29:44,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:44,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:44,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-06-17 06:29:44,803 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:44,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 63 [2021-06-17 06:29:44,864 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:44,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-17 06:29:44,956 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:44,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:44,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-17 06:29:45,010 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-17 06:29:45,065 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-17 06:29:45,120 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 78 [2021-06-17 06:29:45,181 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:45,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:45,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-17 06:29:45,212 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:45,508 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-06-17 06:29:45,508 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-06-17 06:29:45,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:29:45,517 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:29:45,524 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:45,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-17 06:29:45,542 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-17 06:29:45,550 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:45,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:29:45,573 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:29:45,580 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,588 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 12 treesize of output 5 [2021-06-17 06:29:45,588 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,595 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 23 treesize of output 11 [2021-06-17 06:29:45,595 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:45,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,613 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 9 treesize of output 3 [2021-06-17 06:29:45,613 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,619 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 11 treesize of output 3 [2021-06-17 06:29:45,620 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:45,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:29:45,651 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:45,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:45,785 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-17 06:29:45,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:45,791 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-17 06:29:45,791 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:1181, output treesize:185 [2021-06-17 06:29:46,096 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-17 06:29:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:46,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544416408] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:46,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:29:46,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-06-17 06:29:46,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203459399] [2021-06-17 06:29:46,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-17 06:29:46,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:29:46,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-17 06:29:46,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3281, Unknown=0, NotChecked=0, Total=3422 [2021-06-17 06:29:46,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:46,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:29:46,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:46,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:29:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:49,664 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2021-06-17 06:29:49,938 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 125 [2021-06-17 06:29:50,235 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-17 06:29:50,549 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2021-06-17 06:29:50,864 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2021-06-17 06:29:51,202 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-17 06:29:51,509 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-17 06:29:51,839 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2021-06-17 06:29:52,366 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:29:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:52,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable993 [2021-06-17 06:29:52,887 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:29:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:29:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash -226170820, now seen corresponding path program 50 times [2021-06-17 06:29:52,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:29:52,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698654725] [2021-06-17 06:29:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:29:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:29:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:53,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:29:53,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698654725] [2021-06-17 06:29:53,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698654725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:53,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417736771] [2021-06-17 06:29:53,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:53,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:29:53,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:29:53,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-17 06:29:53,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:29:55,268 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-06-17 06:29:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:56,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:56,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2021-06-17 06:29:56,931 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:56,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:56,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:56,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-06-17 06:29:56,995 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-17 06:29:57,054 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-17 06:29:57,112 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-17 06:29:57,177 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:29:57,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-06-17 06:29:57,207 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:57,333 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-17 06:29:57,334 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-17 06:29:57,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:29:57,339 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:655, output treesize:125 [2021-06-17 06:29:58,543 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_256], 1=[array_0, v_prenex_255]} [2021-06-17 06:29:58,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:29:58,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:29:58,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:29:58,553 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:58,608 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-17 06:29:58,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:29:58,612 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:58,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:58,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:29:58,639 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:58,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:29:58,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:29:58,643 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:29:58,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:58,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:29:58,667 INFO L518 ElimStorePlain]: Eliminatee v_prenex_255 vanished before elimination [2021-06-17 06:29:58,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:29:58,668 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-17 06:29:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:29:58,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417736771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:29:58,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:29:58,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 60 [2021-06-17 06:29:58,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680129293] [2021-06-17 06:29:58,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-17 06:29:58,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:29:58,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-17 06:29:58,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3389, Unknown=0, NotChecked=0, Total=3540 [2021-06-17 06:29:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:58,748 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:29:58,748 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:29:58,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:58,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:29:58,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:29:58,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:01,921 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-06-17 06:30:02,448 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 154 [2021-06-17 06:30:02,894 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-17 06:30:03,392 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-17 06:30:03,933 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-17 06:30:04,457 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 145 [2021-06-17 06:30:05,039 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2021-06-17 06:30:05,525 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-17 06:30:06,007 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-17 06:30:06,610 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2021-06-17 06:30:07,093 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2021-06-17 06:30:07,751 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-17 06:30:08,325 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-17 06:30:08,937 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-17 06:30:09,530 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-17 06:30:10,152 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 110 [2021-06-17 06:30:10,699 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-17 06:30:11,260 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-17 06:30:11,794 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-17 06:30:12,359 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:12,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1036 [2021-06-17 06:30:12,740 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:30:12,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:30:12,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2058776390, now seen corresponding path program 51 times [2021-06-17 06:30:12,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:30:12,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736145326] [2021-06-17 06:30:12,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:30:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:30:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:13,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:30:13,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736145326] [2021-06-17 06:30:13,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736145326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:13,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432620223] [2021-06-17 06:30:13,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:13,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-17 06:30:13,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:30:13,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-17 06:30:13,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:30:13,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:13,878 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 16 treesize of output 12 [2021-06-17 06:30:13,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:13,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:30:13,882 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:13,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:30:13,885 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:13,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:13,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:30:13,889 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:13,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:30:13,892 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:13,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:30:13,895 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:13,926 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-17 06:30:13,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:30:13,927 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:30:14,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:30:14,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:14,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:30:14,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:14,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:14,347 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 16 treesize of output 12 [2021-06-17 06:30:14,348 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:14,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:30:14,350 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:14,368 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-17 06:30:14,369 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:30:14,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:30:14,369 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:30:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:14,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432620223] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:14,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:30:14,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-17 06:30:14,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696201262] [2021-06-17 06:30:14,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-17 06:30:14,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:30:14,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-17 06:30:14,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2318, Unknown=0, NotChecked=0, Total=2450 [2021-06-17 06:30:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:14,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:30:14,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:14,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:18,678 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-06-17 06:30:20,154 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 182 DAG size of output: 138 [2021-06-17 06:30:21,823 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 187 DAG size of output: 142 [2021-06-17 06:30:23,126 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 146 [2021-06-17 06:30:24,516 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 194 DAG size of output: 162 [2021-06-17 06:30:26,822 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-06-17 06:30:29,327 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 203 DAG size of output: 171 [2021-06-17 06:30:31,505 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 206 DAG size of output: 161 [2021-06-17 06:30:32,329 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 157 [2021-06-17 06:30:33,084 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 158 [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:33,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1063,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:33,465 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:30:33,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:30:33,465 INFO L82 PathProgramCache]: Analyzing trace with hash 876051950, now seen corresponding path program 52 times [2021-06-17 06:30:33,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:30:33,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992623992] [2021-06-17 06:30:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:30:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:30:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:34,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:30:34,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992623992] [2021-06-17 06:30:34,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992623992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:34,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959393607] [2021-06-17 06:30:34,339 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:34,395 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:30:34,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:30:34,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-17 06:30:34,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:30:35,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-17 06:30:35,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:35,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-06-17 06:30:35,319 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:35,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-06-17 06:30:35,346 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:30:35,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-06-17 06:30:35,373 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:35,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-17 06:30:35,399 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:35,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-06-17 06:30:35,425 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:35,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-06-17 06:30:35,431 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:35,484 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-17 06:30:35,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-17 06:30:35,485 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:501, output treesize:95 [2021-06-17 06:30:36,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,335 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 27 treesize of output 21 [2021-06-17 06:30:36,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:30:36,341 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:30:36,347 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:30:36,352 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,355 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 26 treesize of output 20 [2021-06-17 06:30:36,357 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:30:36,360 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:30:36,364 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:30:36,369 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-17 06:30:36,373 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:30:36,376 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,379 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 15 treesize of output 11 [2021-06-17 06:30:36,380 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:30:36,383 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,473 INFO L628 ElimStorePlain]: treesize reduction 84, result has 42.5 percent of original size [2021-06-17 06:30:36,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:36,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-17 06:30:36,477 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:30:36,480 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:36,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:30:36,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-17 06:30:36,503 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-17 06:30:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:36,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959393607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:36,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:30:36,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 51 [2021-06-17 06:30:36,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612225175] [2021-06-17 06:30:36,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-17 06:30:36,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:30:36,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-17 06:30:36,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2416, Unknown=0, NotChecked=0, Total=2550 [2021-06-17 06:30:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:36,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:30:36,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:36,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:36,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:38,927 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-06-17 06:30:39,132 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-06-17 06:30:39,317 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2021-06-17 06:30:39,507 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-17 06:30:39,698 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-17 06:30:39,930 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-17 06:30:40,134 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-17 06:30:40,471 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-06-17 06:30:40,657 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-17 06:30:40,843 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-17 06:30:41,030 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-17 06:30:41,411 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-17 06:30:41,752 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-17 06:30:41,991 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-06-17 06:30:42,413 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2021-06-17 06:30:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:44,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1072 [2021-06-17 06:30:44,337 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:30:44,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:30:44,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2021273276, now seen corresponding path program 53 times [2021-06-17 06:30:44,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:30:44,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784833108] [2021-06-17 06:30:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:30:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:30:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:44,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:30:44,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784833108] [2021-06-17 06:30:44,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784833108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:44,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394701392] [2021-06-17 06:30:44,782 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:44,844 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 06:30:44,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:30:44,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-17 06:30:44,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:30:44,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:30:44,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:44,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:30:44,985 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:45,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:30:45,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:30:45,001 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-17 06:30:45,284 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 7 treesize of output 5 [2021-06-17 06:30:45,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:45,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:45,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:30:45,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:45,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:45,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:30:45,291 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:45,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:30:45,294 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:45,310 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:30:45,310 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:30:45,311 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:30:45,311 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:30:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:45,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394701392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:45,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:30:45,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-17 06:30:45,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322458714] [2021-06-17 06:30:45,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 06:30:45,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:30:45,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 06:30:45,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 06:30:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:45,352 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:30:45,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:45,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:30:52,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1106,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:52,559 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:30:52,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:30:52,559 INFO L82 PathProgramCache]: Analyzing trace with hash -992362670, now seen corresponding path program 54 times [2021-06-17 06:30:52,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:30:52,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120514180] [2021-06-17 06:30:52,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:30:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:30:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:53,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:30:53,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120514180] [2021-06-17 06:30:53,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120514180] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:53,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622533602] [2021-06-17 06:30:53,196 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:53,323 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 06:30:53,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:30:53,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-17 06:30:53,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:30:53,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:53,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:53,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:30:53,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:53,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:53,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:30:53,804 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:53,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:30:53,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-17 06:30:53,822 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-17 06:30:54,889 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-17 06:30:55,125 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-17 06:30:55,415 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-17 06:30:55,465 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 66=[array_0]} [2021-06-17 06:30:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-17 06:30:55,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-17 06:30:55,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-17 06:30:55,598 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-17 06:30:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:30:55,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-17 06:30:55,625 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:55,718 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-17 06:30:55,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,723 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 21 treesize of output 7 [2021-06-17 06:30:55,724 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:55,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:30:55,728 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:55,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:30:55,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:55,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-17 06:30:55,742 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:55,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:30:55,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:30:55,783 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:457, output treesize:55 [2021-06-17 06:30:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:55,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622533602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:55,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:30:55,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 52 [2021-06-17 06:30:55,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345136906] [2021-06-17 06:30:55,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-17 06:30:55,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:30:55,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-17 06:30:55,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2508, Unknown=0, NotChecked=0, Total=2652 [2021-06-17 06:30:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:55,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:30:55,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:30:55,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:55,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:30:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:30:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:30:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:30:59,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1112 [2021-06-17 06:30:59,159 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:30:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:30:59,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1143142734, now seen corresponding path program 55 times [2021-06-17 06:30:59,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:30:59,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530850281] [2021-06-17 06:30:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:30:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:30:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:30:59,684 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:30:59,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530850281] [2021-06-17 06:30:59,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530850281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:30:59,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657457322] [2021-06-17 06:30:59,684 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:30:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:30:59,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-17 06:30:59,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:30:59,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:30:59,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:30:59,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:59,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:30:59,937 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:30:59,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:30:59,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:30:59,953 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-17 06:31:00,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:00,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:31:00,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:00,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:31:00,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:00,338 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:31:00,338 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:31:00,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:31:00,339 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:31:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:31:00,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657457322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:31:00,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:31:00,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-06-17 06:31:00,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121971530] [2021-06-17 06:31:00,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-17 06:31:00,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:31:00,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-17 06:31:00,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-06-17 06:31:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:31:00,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:31:00,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:31:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:02,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1138,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:31:02,973 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:31:02,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:31:02,973 INFO L82 PathProgramCache]: Analyzing trace with hash -420134652, now seen corresponding path program 56 times [2021-06-17 06:31:02,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:31:02,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471730455] [2021-06-17 06:31:02,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:31:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:31:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:31:04,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:31:04,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471730455] [2021-06-17 06:31:04,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471730455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:31:04,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053202433] [2021-06-17 06:31:04,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:31:04,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:31:04,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:31:04,559 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-06-17 06:31:04,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:31:06,574 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-17 06:31:07,011 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-17 06:31:07,495 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-17 06:31:08,012 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-06-17 06:31:08,714 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-06-17 06:31:09,417 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-17 06:31:10,146 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-06-17 06:31:10,961 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-17 06:31:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,148 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-06-17 06:31:11,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-17 06:31:11,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 117 [2021-06-17 06:31:11,201 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:11,397 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-17 06:31:11,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,507 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-06-17 06:31:11,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-17 06:31:11,510 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:11,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:11,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-06-17 06:31:11,563 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:11,688 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-17 06:31:11,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:11,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-17 06:31:11,697 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:702, output treesize:402 [2021-06-17 06:31:13,433 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-17 06:31:14,169 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-17 06:31:14,895 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-17 06:31:15,776 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-17 06:31:16,726 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-17 06:31:17,649 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-17 06:31:18,596 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-17 06:31:19,492 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-17 06:31:20,279 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-17 06:31:20,410 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_306, v_prenex_308, array_4, v_prenex_302, v_prenex_304], 45=[v_prenex_305, v_prenex_307, array_0, v_prenex_301, v_prenex_303]} [2021-06-17 06:31:20,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-06-17 06:31:20,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:20,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-17 06:31:20,468 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 06:31:20,984 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2021-06-17 06:31:20,985 INFO L628 ElimStorePlain]: treesize reduction 237, result has 73.5 percent of original size [2021-06-17 06:31:21,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-17 06:31:21,029 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 79 [2021-06-17 06:31:21,043 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,206 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-17 06:31:21,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-06-17 06:31:21,217 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,362 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-17 06:31:21,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-06-17 06:31:21,401 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-06-17 06:31:21,411 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-17 06:31:21,508 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-17 06:31:21,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-17 06:31:21,594 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:31:21,600 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-17 06:31:21,690 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-17 06:31:21,696 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,765 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,765 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-17 06:31:21,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,771 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 10 treesize of output 5 [2021-06-17 06:31:21,771 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-17 06:31:21,776 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:31:21,847 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:21,850 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 11 treesize of output 3 [2021-06-17 06:31:21,851 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:21,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,964 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-06-17 06:31:21,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:21,967 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-17 06:31:21,967 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:1033, output treesize:70 [2021-06-17 06:31:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:31:22,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053202433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:31:22,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:31:22,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-06-17 06:31:22,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613366453] [2021-06-17 06:31:22,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-17 06:31:22,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:31:22,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-17 06:31:22,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=3773, Unknown=0, NotChecked=0, Total=3906 [2021-06-17 06:31:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:31:22,137 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:31:22,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 63 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:22,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:31:22,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:22,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:31:29,742 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2021-06-17 06:31:30,578 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 149 [2021-06-17 06:31:31,566 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 196 [2021-06-17 06:31:32,687 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 201 [2021-06-17 06:31:33,813 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 205 [2021-06-17 06:31:35,103 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-06-17 06:31:36,545 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2021-06-17 06:31:38,079 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-17 06:31:39,610 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-06-17 06:31:40,504 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:31:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:41,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:41,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1141,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:31:41,349 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:31:41,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:31:41,349 INFO L82 PathProgramCache]: Analyzing trace with hash 709111908, now seen corresponding path program 57 times [2021-06-17 06:31:41,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:31:41,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509054809] [2021-06-17 06:31:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:31:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:31:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:31:42,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:31:42,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509054809] [2021-06-17 06:31:42,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509054809] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:31:42,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071371625] [2021-06-17 06:31:42,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:31:42,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-17 06:31:42,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:31:42,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-17 06:31:42,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:31:44,434 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:44,706 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:44,971 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:45,436 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:45,720 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:46,052 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:46,346 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:46,631 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-17 06:31:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-06-17 06:31:46,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 76 [2021-06-17 06:31:46,818 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-06-17 06:31:46,883 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-17 06:31:46,959 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:46,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:47,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-17 06:31:47,024 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:31:47,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-17 06:31:47,057 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:47,179 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-17 06:31:47,180 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-17 06:31:47,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-17 06:31:47,184 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:125 [2021-06-17 06:31:48,557 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-17 06:31:48,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:31:48,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 06:31:48,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:31:48,564 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:48,591 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-17 06:31:48,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:31:48,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-17 06:31:48,594 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:31:48,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:31:48,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:31:48,602 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-17 06:31:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:31:48,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071371625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:31:48,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:31:48,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2021-06-17 06:31:48,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937598352] [2021-06-17 06:31:48,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-17 06:31:48,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:31:48,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-17 06:31:48,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3967, Unknown=0, NotChecked=0, Total=4160 [2021-06-17 06:31:48,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:31:48,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:31:48,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 65 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:48,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:31:48,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:31:48,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:31:55,740 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-17 06:31:56,295 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:31:56,816 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-17 06:31:57,350 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:31:57,892 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:31:58,414 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:31:58,969 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:31:59,459 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:31:59,964 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-17 06:32:00,498 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-17 06:32:01,173 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-17 06:32:01,787 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-06-17 06:32:02,497 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-06-17 06:32:03,161 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:03,853 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:04,518 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:05,134 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:05,737 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:06,389 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:07,044 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:07,693 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-17 06:32:08,336 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:32:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:32:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-17 06:32:08,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1237,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:32:08,676 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:32:08,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:32:08,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1165184402, now seen corresponding path program 58 times [2021-06-17 06:32:08,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:32:08,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141236384] [2021-06-17 06:32:08,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:32:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:32:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:32:09,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:32:09,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141236384] [2021-06-17 06:32:09,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141236384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:32:09,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674360227] [2021-06-17 06:32:09,411 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:32:09,472 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:32:09,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:32:09,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-17 06:32:09,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:32:09,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:32:09,998 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 17 treesize of output 13 [2021-06-17 06:32:09,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:32:10,002 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:32:10,005 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:32:10,008 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 16 treesize of output 12 [2021-06-17 06:32:10,009 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:32:10,011 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:32:10,014 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,043 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-17 06:32:10,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-17 06:32:10,044 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-17 06:32:10,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:32:10,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:32:10,535 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 17 treesize of output 13 [2021-06-17 06:32:10,536 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:32:10,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:32:10,539 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:32:10,541 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:32:10,558 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-17 06:32:10,558 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-17 06:32:10,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:32:10,558 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-17 06:32:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:32:10,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674360227] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:32:10,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:32:10,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-06-17 06:32:10,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938943938] [2021-06-17 06:32:10,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-17 06:32:10,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:32:10,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-17 06:32:10,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-06-17 06:32:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:32:10,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:32:10,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:32:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-17 06:32:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:32:16,960 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 288 DAG size of output: 266 [2021-06-17 06:32:18,876 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2021-06-17 06:32:20,837 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2021-06-17 06:32:22,541 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 444 DAG size of output: 394 [2021-06-17 06:32:23,742 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-17 06:32:23,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1261,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:32:23,962 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 54 more [2021-06-17 06:32:23,968 INFO L168 Benchmark]: Toolchain (without parser) took 464650.28 ms. Allocated memory was 180.4 MB in the beginning and 1.2 GB in the end (delta: 987.8 MB). Free memory was 159.4 MB in the beginning and 927.7 MB in the end (delta: -768.3 MB). Peak memory consumption was 873.9 MB. Max. memory is 8.0 GB. [2021-06-17 06:32:23,968 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 180.4 MB. Free memory is still 160.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 06:32:23,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 180.4 MB. Free memory was 159.2 MB in the beginning and 157.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 06:32:23,968 INFO L168 Benchmark]: Boogie Preprocessor took 11.52 ms. Allocated memory is still 180.4 MB. Free memory was 157.8 MB in the beginning and 156.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 06:32:23,968 INFO L168 Benchmark]: RCFGBuilder took 443.33 ms. Allocated memory is still 180.4 MB. Free memory was 156.6 MB in the beginning and 134.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-06-17 06:32:23,969 INFO L168 Benchmark]: TraceAbstraction took 464170.47 ms. Allocated memory was 180.4 MB in the beginning and 1.2 GB in the end (delta: 987.8 MB). Free memory was 134.0 MB in the beginning and 927.7 MB in the end (delta: -793.7 MB). Peak memory consumption was 848.7 MB. Max. memory is 8.0 GB. [2021-06-17 06:32:23,972 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 180.4 MB. Free memory is still 160.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 180.4 MB. Free memory was 159.2 MB in the beginning and 157.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.52 ms. Allocated memory is still 180.4 MB. Free memory was 157.8 MB in the beginning and 156.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 443.33 ms. Allocated memory is still 180.4 MB. Free memory was 156.6 MB in the beginning and 134.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 464170.47 ms. Allocated memory was 180.4 MB in the beginning and 1.2 GB in the end (delta: 987.8 MB). Free memory was 134.0 MB in the beginning and 927.7 MB in the end (delta: -793.7 MB). Peak memory consumption was 848.7 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...