java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 12:24:21,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 12:24:21,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 12:24:21,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 12:24:21,213 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 12:24:21,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 12:24:21,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 12:24:21,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 12:24:21,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 12:24:21,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 12:24:21,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 12:24:21,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 12:24:21,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 12:24:21,240 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 12:24:21,241 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 12:24:21,242 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 12:24:21,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 12:24:21,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 12:24:21,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 12:24:21,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 12:24:21,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 12:24:21,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 12:24:21,266 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 12:24:21,277 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 12:24:21,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 12:24:21,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 12:24:21,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 12:24:21,301 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 12:24:21,302 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 12:24:21,302 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 12:24:21,302 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 12:24:21,302 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 12:24:21,303 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 12:24:21,303 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 12:24:21,303 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 12:24:21,303 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 12:24:21,303 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 12:24:21,304 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 12:24:21,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 12:24:21,305 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 12:24:21,305 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 12:24:21,305 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 12:24:21,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 12:24:21,307 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 12:24:21,307 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 12:24:21,308 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 12:24:21,308 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 12:24:21,308 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 12:24:21,309 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 12:24:21,309 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 12:24:21,309 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 12:24:21,309 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 12:24:21,310 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 12:24:21,310 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 12:24:21,310 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 12:24:21,310 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 12:24:21,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 12:24:21,310 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 12:24:21,311 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 12:24:21,311 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 12:24:21,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 12:24:21,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 12:24:21,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 12:24:21,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 12:24:21,402 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 12:24:21,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-10-24 12:24:21,464 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/765b89159/362e1d88bcb34e6a8aba7a07a4ac922a/FLAG0d6bfcad6 [2018-10-24 12:24:21,972 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 12:24:21,974 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-10-24 12:24:21,981 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/765b89159/362e1d88bcb34e6a8aba7a07a4ac922a/FLAG0d6bfcad6 [2018-10-24 12:24:21,999 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/765b89159/362e1d88bcb34e6a8aba7a07a4ac922a [2018-10-24 12:24:22,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 12:24:22,014 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 12:24:22,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 12:24:22,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 12:24:22,025 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 12:24:22,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6a7e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22, skipping insertion in model container [2018-10-24 12:24:22,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 12:24:22,068 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 12:24:22,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 12:24:22,312 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 12:24:22,344 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 12:24:22,370 INFO L193 MainTranslator]: Completed translation [2018-10-24 12:24:22,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22 WrapperNode [2018-10-24 12:24:22,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 12:24:22,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 12:24:22,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 12:24:22,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 12:24:22,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 12:24:22,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 12:24:22,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 12:24:22,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 12:24:22,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... [2018-10-24 12:24:22,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 12:24:22,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 12:24:22,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 12:24:22,491 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 12:24:22,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 12:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 12:24:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 12:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 12:24:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 12:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 12:24:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 12:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-24 12:24:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-24 12:24:23,213 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 12:24:23,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:24:23 BoogieIcfgContainer [2018-10-24 12:24:23,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 12:24:23,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 12:24:23,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 12:24:23,222 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 12:24:23,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:24:22" (1/3) ... [2018-10-24 12:24:23,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6397a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:24:23, skipping insertion in model container [2018-10-24 12:24:23,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:22" (2/3) ... [2018-10-24 12:24:23,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6397a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:24:23, skipping insertion in model container [2018-10-24 12:24:23,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:24:23" (3/3) ... [2018-10-24 12:24:23,225 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string_true-unreach-call_true-termination.i [2018-10-24 12:24:23,236 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 12:24:23,249 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 12:24:23,268 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 12:24:23,309 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 12:24:23,310 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 12:24:23,310 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 12:24:23,310 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 12:24:23,310 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 12:24:23,310 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 12:24:23,311 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 12:24:23,311 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 12:24:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-10-24 12:24:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-24 12:24:23,344 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:23,345 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:23,347 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:23,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:23,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1989464865, now seen corresponding path program 1 times [2018-10-24 12:24:23,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:23,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:23,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:23,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:23,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 12:24:23,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 12:24:23,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 12:24:23,521 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 12:24:23,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 12:24:23,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 12:24:23,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 12:24:23,544 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-10-24 12:24:23,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:23,568 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2018-10-24 12:24:23,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 12:24:23,571 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-24 12:24:23,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:23,579 INFO L225 Difference]: With dead ends: 51 [2018-10-24 12:24:23,579 INFO L226 Difference]: Without dead ends: 25 [2018-10-24 12:24:23,583 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 12:24:23,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-24 12:24:23,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-10-24 12:24:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-24 12:24:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-10-24 12:24:23,624 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2018-10-24 12:24:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:23,624 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-10-24 12:24:23,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 12:24:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-10-24 12:24:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-24 12:24:23,626 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:23,626 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:23,626 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:23,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:23,627 INFO L82 PathProgramCache]: Analyzing trace with hash 971272842, now seen corresponding path program 1 times [2018-10-24 12:24:23,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:23,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:23,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:23,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:23,629 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 12:24:23,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 12:24:23,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 12:24:23,919 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 12:24:23,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 12:24:23,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 12:24:23,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-24 12:24:23,922 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 4 states. [2018-10-24 12:24:24,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:24,129 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-10-24 12:24:24,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 12:24:24,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-10-24 12:24:24,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:24,131 INFO L225 Difference]: With dead ends: 40 [2018-10-24 12:24:24,131 INFO L226 Difference]: Without dead ends: 28 [2018-10-24 12:24:24,133 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 12:24:24,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-10-24 12:24:24,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-10-24 12:24:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-24 12:24:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-10-24 12:24:24,140 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 18 [2018-10-24 12:24:24,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:24,141 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-10-24 12:24:24,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 12:24:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-10-24 12:24:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-24 12:24:24,142 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:24,142 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:24,142 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:24,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:24,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1585722772, now seen corresponding path program 1 times [2018-10-24 12:24:24,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:24,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:24,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:24,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:24,145 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:24,589 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 13 [2018-10-24 12:24:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 12:24:24,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:24,608 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:24,610 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 22 with the following transitions: [2018-10-24 12:24:24,612 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [20], [24], [27], [29], [31], [35], [39], [44], [54], [57], [59], [65], [66], [67], [69] [2018-10-24 12:24:24,672 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 12:24:24,672 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 12:24:24,820 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 12:24:24,821 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Never found a fixpoint. Largest state had 36 variables. [2018-10-24 12:24:24,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:24,844 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 12:24:24,925 INFO L232 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 84.62% of their original sizes. [2018-10-24 12:24:24,925 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 12:24:24,934 INFO L413 sIntCurrentIteration]: We have 20 unified AI predicates [2018-10-24 12:24:24,935 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 12:24:24,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 12:24:24,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-10-24 12:24:24,936 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 12:24:24,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 12:24:24,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 12:24:24,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 12:24:24,938 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 3 states. [2018-10-24 12:24:25,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:25,151 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-10-24 12:24:25,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 12:24:25,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-10-24 12:24:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:25,152 INFO L225 Difference]: With dead ends: 48 [2018-10-24 12:24:25,153 INFO L226 Difference]: Without dead ends: 30 [2018-10-24 12:24:25,153 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 12:24:25,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-24 12:24:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-10-24 12:24:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-10-24 12:24:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2018-10-24 12:24:25,171 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 21 [2018-10-24 12:24:25,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:25,172 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2018-10-24 12:24:25,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 12:24:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-10-24 12:24:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-24 12:24:25,173 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:25,174 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:25,174 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:25,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:25,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1045245671, now seen corresponding path program 1 times [2018-10-24 12:24:25,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:25,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:25,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:25,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:25,178 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:25,780 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 15 [2018-10-24 12:24:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 12:24:25,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:25,833 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:25,833 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2018-10-24 12:24:25,834 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [16], [20], [24], [27], [29], [31], [35], [39], [44], [54], [57], [59], [65], [66], [67], [69] [2018-10-24 12:24:25,836 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 12:24:25,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 12:24:26,205 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 12:24:26,205 INFO L272 AbstractInterpreter]: Visited 22 different actions 62 times. Merged at 11 different actions 28 times. Never widened. Found 4 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-24 12:24:26,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:26,246 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 12:24:26,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:26,246 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:26,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:26,262 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 12:24:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:26,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:26,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:24:26,386 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:26,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:26,394 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-10-24 12:24:26,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 39 [2018-10-24 12:24:26,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-10-24 12:24:26,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:26,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:26,611 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:24:26,611 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:26,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:26,629 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:87, output treesize:35 [2018-10-24 12:24:27,313 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2018-10-24 12:24:27,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 32 [2018-10-24 12:24:27,394 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:27,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-10-24 12:24:27,399 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:27,532 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:27,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-24 12:24:27,536 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:27,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:27,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:27,716 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:54, output treesize:3 [2018-10-24 12:24:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 12:24:28,027 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:28,504 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-10-24 12:24:28,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2018-10-24 12:24:28,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-10-24 12:24:28,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:28,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-10-24 12:24:28,735 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:28,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:28,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-10-24 12:24:28,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-10-24 12:24:28,978 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:29,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-10-24 12:24:29,036 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:29,126 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:29,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:24:29,214 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:120, output treesize:95 [2018-10-24 12:24:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 12:24:29,420 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:29,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 10] total 22 [2018-10-24 12:24:29,421 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:29,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 12:24:29,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 12:24:29,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2018-10-24 12:24:29,423 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 15 states. [2018-10-24 12:24:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:30,266 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2018-10-24 12:24:30,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 12:24:30,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 24 [2018-10-24 12:24:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:30,268 INFO L225 Difference]: With dead ends: 45 [2018-10-24 12:24:30,268 INFO L226 Difference]: Without dead ends: 33 [2018-10-24 12:24:30,270 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2018-10-24 12:24:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-10-24 12:24:30,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-10-24 12:24:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-24 12:24:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-10-24 12:24:30,277 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 24 [2018-10-24 12:24:30,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:30,277 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-10-24 12:24:30,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-24 12:24:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-10-24 12:24:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-24 12:24:30,279 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:30,279 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:30,279 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:30,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:30,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1179396881, now seen corresponding path program 2 times [2018-10-24 12:24:30,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:30,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:30,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:30,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:30,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 12:24:30,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:30,521 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:30,521 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:30,522 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:30,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:30,522 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:30,531 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 12:24:30,531 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-24 12:24:30,568 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-24 12:24:30,568 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:24:30,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:30,629 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:30,834 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:30,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 6] total 12 [2018-10-24 12:24:30,835 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:30,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 12:24:30,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 12:24:30,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-10-24 12:24:30,836 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 8 states. [2018-10-24 12:24:31,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:31,259 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-10-24 12:24:31,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 12:24:31,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-10-24 12:24:31,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:31,265 INFO L225 Difference]: With dead ends: 79 [2018-10-24 12:24:31,265 INFO L226 Difference]: Without dead ends: 58 [2018-10-24 12:24:31,266 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-10-24 12:24:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-24 12:24:31,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 38. [2018-10-24 12:24:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-24 12:24:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2018-10-24 12:24:31,278 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 27 [2018-10-24 12:24:31,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:31,278 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2018-10-24 12:24:31,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 12:24:31,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2018-10-24 12:24:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 12:24:31,280 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:31,280 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:31,280 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:31,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:31,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1439664076, now seen corresponding path program 3 times [2018-10-24 12:24:31,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:31,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:31,282 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:24:31,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:31,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:31,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:31,739 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:31,739 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:31,740 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:31,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:31,740 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:31,750 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-24 12:24:31,750 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-24 12:24:31,804 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-24 12:24:31,804 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:24:31,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:31,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:24:31,837 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:31,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:31,845 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-10-24 12:24:32,258 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-24 12:24:32,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:24:32,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:24:32,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,428 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,430 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:24:32,430 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,446 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:93, output treesize:42 [2018-10-24 12:24:32,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 40 treesize of output 36 [2018-10-24 12:24:32,752 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:32,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-10-24 12:24:32,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,766 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:32,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:24:32,767 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:32,785 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2018-10-24 12:24:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-24 12:24:32,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:33,284 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2018-10-24 12:24:33,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2018-10-24 12:24:33,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-10-24 12:24:33,387 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:33,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-10-24 12:24:33,428 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:33,495 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:33,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-10-24 12:24:33,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-10-24 12:24:33,704 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:33,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-10-24 12:24:33,951 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:33,982 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:34,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:24:34,042 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:120, output treesize:95 [2018-10-24 12:24:34,482 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-24 12:24:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:34,685 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:34,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 14] total 32 [2018-10-24 12:24:34,686 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:34,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-24 12:24:34,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-24 12:24:34,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=857, Unknown=0, NotChecked=0, Total=992 [2018-10-24 12:24:34,687 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 21 states. [2018-10-24 12:24:36,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:36,631 INFO L93 Difference]: Finished difference Result 73 states and 80 transitions. [2018-10-24 12:24:36,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-24 12:24:36,633 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 33 [2018-10-24 12:24:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:36,634 INFO L225 Difference]: With dead ends: 73 [2018-10-24 12:24:36,634 INFO L226 Difference]: Without dead ends: 61 [2018-10-24 12:24:36,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=311, Invalid=1581, Unknown=0, NotChecked=0, Total=1892 [2018-10-24 12:24:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-10-24 12:24:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 41. [2018-10-24 12:24:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-24 12:24:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-10-24 12:24:36,643 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 33 [2018-10-24 12:24:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:36,643 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-10-24 12:24:36,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-24 12:24:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-10-24 12:24:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-24 12:24:36,644 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:36,645 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:36,645 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:36,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:36,645 INFO L82 PathProgramCache]: Analyzing trace with hash -2091215382, now seen corresponding path program 4 times [2018-10-24 12:24:36,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:36,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:36,649 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:24:36,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:36,650 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:36,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:36,995 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:36,995 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:36,995 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:36,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:36,995 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:37,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:37,004 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 12:24:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:37,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:37,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:24:37,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:37,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:37,240 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-10-24 12:24:37,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:24:37,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:24:37,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,040 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,056 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:24:38,057 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,112 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:93, output treesize:42 [2018-10-24 12:24:38,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 40 treesize of output 36 [2018-10-24 12:24:38,555 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:38,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-10-24 12:24:38,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,596 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:38,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:24:38,598 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:38,614 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2018-10-24 12:24:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:38,670 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:39,003 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-10-24 12:24:39,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2018-10-24 12:24:39,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-10-24 12:24:39,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:39,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-10-24 12:24:39,129 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:39,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:39,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 48 [2018-10-24 12:24:39,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-10-24 12:24:39,321 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:39,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2018-10-24 12:24:39,369 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:39,434 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:39,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:24:39,497 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:118, output treesize:95 [2018-10-24 12:24:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 12:24:39,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:39,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 16] total 36 [2018-10-24 12:24:39,967 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:39,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-24 12:24:39,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-24 12:24:39,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1100, Unknown=0, NotChecked=0, Total=1260 [2018-10-24 12:24:39,970 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 23 states. [2018-10-24 12:24:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:42,033 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2018-10-24 12:24:42,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 12:24:42,034 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 36 [2018-10-24 12:24:42,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:42,036 INFO L225 Difference]: With dead ends: 75 [2018-10-24 12:24:42,036 INFO L226 Difference]: Without dead ends: 63 [2018-10-24 12:24:42,039 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=394, Invalid=2056, Unknown=0, NotChecked=0, Total=2450 [2018-10-24 12:24:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-10-24 12:24:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 44. [2018-10-24 12:24:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-24 12:24:42,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-10-24 12:24:42,048 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 36 [2018-10-24 12:24:42,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:42,049 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-10-24 12:24:42,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-24 12:24:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-10-24 12:24:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 12:24:42,050 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:42,050 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:42,051 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:42,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1817864972, now seen corresponding path program 5 times [2018-10-24 12:24:42,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:42,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:42,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:42,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:42,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:42,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:42,276 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:42,276 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:42,276 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:42,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:42,276 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:42,284 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 12:24:42,285 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-24 12:24:42,330 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-24 12:24:42,330 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:24:42,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:42,400 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:42,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:42,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-24 12:24:42,506 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:42,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 12:24:42,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 12:24:42,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-10-24 12:24:42,508 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 8 states. [2018-10-24 12:24:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:42,590 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-10-24 12:24:42,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 12:24:42,591 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-10-24 12:24:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:42,593 INFO L225 Difference]: With dead ends: 78 [2018-10-24 12:24:42,593 INFO L226 Difference]: Without dead ends: 48 [2018-10-24 12:24:42,594 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-10-24 12:24:42,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-24 12:24:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2018-10-24 12:24:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-24 12:24:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-10-24 12:24:42,603 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 39 [2018-10-24 12:24:42,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:42,603 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-10-24 12:24:42,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 12:24:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-10-24 12:24:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-24 12:24:42,605 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:42,605 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:42,606 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:42,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:42,606 INFO L82 PathProgramCache]: Analyzing trace with hash 905430727, now seen corresponding path program 6 times [2018-10-24 12:24:42,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:42,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:42,607 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:24:42,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:42,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:42,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:42,859 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:42,860 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:42,860 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:42,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:42,860 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:42,869 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-24 12:24:42,869 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-24 12:24:42,921 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-24 12:24:42,921 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:24:42,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:42,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:24:42,991 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:42,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:42,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-10-24 12:24:43,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:24:43,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:24:43,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:43,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:43,752 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:24:43,752 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:43,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:43,766 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:93, output treesize:42 [2018-10-24 12:24:44,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 40 treesize of output 36 [2018-10-24 12:24:44,025 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:44,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-10-24 12:24:44,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,036 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:44,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:24:44,038 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,045 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,058 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2018-10-24 12:24:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 12:24:44,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:44,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2018-10-24 12:24:44,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-10-24 12:24:44,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-10-24 12:24:44,699 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:44,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-10-24 12:24:44,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2018-10-24 12:24:44,892 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2018-10-24 12:24:44,963 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:44,995 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:45,054 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:24:45,055 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:118, output treesize:95 [2018-10-24 12:24:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-24 12:24:45,785 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:45,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 20, 18] total 40 [2018-10-24 12:24:45,786 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:45,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-24 12:24:45,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-24 12:24:45,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1372, Unknown=0, NotChecked=0, Total=1560 [2018-10-24 12:24:45,788 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 25 states. [2018-10-24 12:24:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:47,171 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2018-10-24 12:24:47,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-24 12:24:47,172 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 42 [2018-10-24 12:24:47,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:47,173 INFO L225 Difference]: With dead ends: 104 [2018-10-24 12:24:47,173 INFO L226 Difference]: Without dead ends: 74 [2018-10-24 12:24:47,176 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=321, Invalid=2031, Unknown=0, NotChecked=0, Total=2352 [2018-10-24 12:24:47,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-24 12:24:47,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2018-10-24 12:24:47,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-10-24 12:24:47,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-10-24 12:24:47,188 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 42 [2018-10-24 12:24:47,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:47,188 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-10-24 12:24:47,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-24 12:24:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-10-24 12:24:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-24 12:24:47,189 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:47,190 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:47,190 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:47,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:47,190 INFO L82 PathProgramCache]: Analyzing trace with hash -907144054, now seen corresponding path program 7 times [2018-10-24 12:24:47,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:47,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:47,192 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:24:47,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:47,192 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-24 12:24:47,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:47,863 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:47,863 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:47,863 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:47,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:47,863 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:47,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:47,873 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 12:24:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:47,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:47,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:24:47,964 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:47,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:47,971 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-10-24 12:24:48,549 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:24:48,550 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:48,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:24:48,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:24:48,643 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:48,808 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:48,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:48,912 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:93, output treesize:42 [2018-10-24 12:24:49,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 40 treesize of output 36 [2018-10-24 12:24:49,175 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:49,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-10-24 12:24:49,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,186 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:49,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-10-24 12:24:49,188 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,203 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2018-10-24 12:24:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-24 12:24:49,269 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:49,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2018-10-24 12:24:49,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-10-24 12:24:49,715 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-10-24 12:24:49,787 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:49,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-10-24 12:24:49,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-10-24 12:24:49,951 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:49,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-10-24 12:24:49,992 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:50,100 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:50,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:24:50,169 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:120, output treesize:95 [2018-10-24 12:24:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-24 12:24:51,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:51,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 21, 20] total 44 [2018-10-24 12:24:51,608 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:51,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-24 12:24:51,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-24 12:24:51,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1676, Unknown=0, NotChecked=0, Total=1892 [2018-10-24 12:24:51,610 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 27 states. [2018-10-24 12:24:53,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:24:53,928 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2018-10-24 12:24:53,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-24 12:24:53,929 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 48 [2018-10-24 12:24:53,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:24:53,933 INFO L225 Difference]: With dead ends: 124 [2018-10-24 12:24:53,933 INFO L226 Difference]: Without dead ends: 83 [2018-10-24 12:24:53,935 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=354, Invalid=2508, Unknown=0, NotChecked=0, Total=2862 [2018-10-24 12:24:53,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-10-24 12:24:53,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 67. [2018-10-24 12:24:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-10-24 12:24:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-10-24 12:24:53,948 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 48 [2018-10-24 12:24:53,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:24:53,949 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-10-24 12:24:53,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-24 12:24:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-10-24 12:24:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-24 12:24:53,950 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:24:53,952 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:24:53,953 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:24:53,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:24:53,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2053536857, now seen corresponding path program 8 times [2018-10-24 12:24:53,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:24:53,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:53,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:24:53,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:24:53,955 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:24:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:24:54,463 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 15 [2018-10-24 12:24:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 60 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:54,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:54,601 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:24:54,602 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:24:54,602 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:24:54,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:24:54,602 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:24:54,611 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 12:24:54,611 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-24 12:24:55,003 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2018-10-24 12:24:55,003 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:24:55,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:24:55,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:24:55,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:55,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:55,044 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-10-24 12:24:55,636 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-24 12:24:55,950 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:24:55,950 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:55,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:24:55,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:24:55,966 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:55,979 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:55,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:55,993 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:93, output treesize:42 [2018-10-24 12:24:56,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 40 treesize of output 36 [2018-10-24 12:24:56,362 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:56,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-10-24 12:24:56,363 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:56,386 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:24:56,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:24:56,388 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:56,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:56,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:24:56,411 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2018-10-24 12:24:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:56,537 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:24:56,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2018-10-24 12:24:56,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2018-10-24 12:24:56,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:57,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-10-24 12:24:57,042 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:57,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:57,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-10-24 12:24:57,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-10-24 12:24:57,209 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:57,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-10-24 12:24:57,272 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:24:57,299 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:24:57,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:24:57,360 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:120, output treesize:95 [2018-10-24 12:24:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:24:58,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:24:58,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 23, 22] total 50 [2018-10-24 12:24:58,354 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:24:58,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-10-24 12:24:58,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-10-24 12:24:58,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=2143, Unknown=0, NotChecked=0, Total=2450 [2018-10-24 12:24:58,358 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 31 states. [2018-10-24 12:25:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:25:00,522 INFO L93 Difference]: Finished difference Result 103 states and 110 transitions. [2018-10-24 12:25:00,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-24 12:25:00,523 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 54 [2018-10-24 12:25:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:25:00,524 INFO L225 Difference]: With dead ends: 103 [2018-10-24 12:25:00,525 INFO L226 Difference]: Without dead ends: 77 [2018-10-24 12:25:00,527 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=652, Invalid=3638, Unknown=0, NotChecked=0, Total=4290 [2018-10-24 12:25:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-10-24 12:25:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 60. [2018-10-24 12:25:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-10-24 12:25:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-10-24 12:25:00,541 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 54 [2018-10-24 12:25:00,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:25:00,542 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-10-24 12:25:00,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-10-24 12:25:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-10-24 12:25:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-24 12:25:00,543 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:25:00,543 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:25:00,543 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:25:00,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:25:00,544 INFO L82 PathProgramCache]: Analyzing trace with hash 824594169, now seen corresponding path program 1 times [2018-10-24 12:25:00,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:25:00,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:25:00,545 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:25:00,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:25:00,545 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:25:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:25:00,918 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 12:25:01,348 WARN L179 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2018-10-24 12:25:02,366 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-10-24 12:25:02,500 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2018-10-24 12:25:02,735 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-10-24 12:25:02,973 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2018-10-24 12:25:03,213 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2018-10-24 12:25:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 12:25:03,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:25:03,857 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:25:03,857 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-10-24 12:25:03,857 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [16], [20], [24], [27], [29], [31], [35], [39], [44], [46], [48], [54], [57], [59], [62], [64], [65], [66], [67], [69], [70] [2018-10-24 12:25:03,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 12:25:03,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 12:25:04,139 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 12:25:04,139 INFO L272 AbstractInterpreter]: Visited 27 different actions 110 times. Merged at 14 different actions 47 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 5 different actions. Largest state had 40 variables. [2018-10-24 12:25:04,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:25:04,179 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 12:25:04,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:25:04,180 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:25:04,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:25:04,196 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 12:25:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:25:04,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:25:04,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:25:04,307 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:04,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:04,317 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-10-24 12:25:04,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:25:04,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:25:04,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:04,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:04,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-10-24 12:25:04,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:25:04,881 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:04,893 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:05,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:05,003 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:93, output treesize:85 [2018-10-24 12:25:05,229 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:25:05,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:05,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-10-24 12:25:05,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:05,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-10-24 12:25:05,264 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:05,273 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:05,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:05,292 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:113, output treesize:43 [2018-10-24 12:25:08,309 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_main_~#str2~0.base_BEFORE_CALL_1| Int) (main_~max~0 Int) (|v_main_~#str2~0.offset_BEFORE_CALL_1| Int) (|v_main_~#str1~0.base_BEFORE_CALL_1| Int)) (let ((.cse0 (mod (+ main_~max~0 4294967295) 4294967296))) (and (<= .cse0 4) (not (= |v_main_~#str2~0.base_BEFORE_CALL_1| |v_main_~#str1~0.base_BEFORE_CALL_1|)) (<= .cse0 2147483647) (= (select (select |c_#memory_int| |v_main_~#str1~0.base_BEFORE_CALL_1|) (+ .cse0 (- 3))) (select (select |c_#memory_int| |v_main_~#str2~0.base_BEFORE_CALL_1|) (+ |v_main_~#str2~0.offset_BEFORE_CALL_1| 3))) (<= 4 .cse0)))) is different from true [2018-10-24 12:25:12,404 WARN L179 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 31 [2018-10-24 12:25:16,486 WARN L179 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 32 [2018-10-24 12:25:17,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 41 treesize of output 37 [2018-10-24 12:25:17,200 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:17,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2018-10-24 12:25:17,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:17,212 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:17,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:25:17,213 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:17,218 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:17,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:17,228 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:66, output treesize:3 [2018-10-24 12:25:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 40 trivial. 1 not checked. [2018-10-24 12:25:19,321 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:25:20,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2018-10-24 12:25:20,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-10-24 12:25:20,295 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,296 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-10-24 12:25:20,303 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,309 INFO L477 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 35 treesize of output 31 [2018-10-24 12:25:20,310 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,313 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,313 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 52 [2018-10-24 12:25:20,320 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,335 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,336 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 48 [2018-10-24 12:25:20,346 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,349 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,351 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,361 INFO L477 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 1 case distinctions, treesize of input 40 treesize of output 59 [2018-10-24 12:25:20,362 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:20,366 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,367 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 54 [2018-10-24 12:25:20,374 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,410 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:20,441 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:20,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 99 [2018-10-24 12:25:20,458 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 91 treesize of output 84 [2018-10-24 12:25:20,641 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2018-10-24 12:25:20,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,648 INFO L477 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 35 treesize of output 31 [2018-10-24 12:25:20,648 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,652 INFO L477 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 46 [2018-10-24 12:25:20,652 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-10-24 12:25:20,661 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,667 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,668 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,668 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2018-10-24 12:25:20,678 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,680 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,681 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 60 [2018-10-24 12:25:20,685 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,689 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,690 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:20,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 63 [2018-10-24 12:25:20,693 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,728 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,767 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 54 treesize of output 48 [2018-10-24 12:25:20,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 35 [2018-10-24 12:25:20,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 10 [2018-10-24 12:25:20,798 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,801 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,801 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:20,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-10-24 12:25:20,802 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,816 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:20,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-10-24 12:25:20,846 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,863 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:20,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2018-10-24 12:25:20,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-10-24 12:25:21,061 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,077 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,079 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:21,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 48 [2018-10-24 12:25:21,082 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,085 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,087 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,095 INFO L477 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 1 case distinctions, treesize of input 40 treesize of output 59 [2018-10-24 12:25:21,096 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:21,100 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,101 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,102 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:21,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 52 [2018-10-24 12:25:21,105 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,112 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,113 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,115 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:21,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-10-24 12:25:21,118 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,125 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:21,127 INFO L477 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 35 treesize of output 31 [2018-10-24 12:25:21,128 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,131 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,132 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:21,135 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:21,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 54 [2018-10-24 12:25:21,139 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,174 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:21,198 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:21,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 54 treesize of output 48 [2018-10-24 12:25:21,216 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:21,217 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 32 [2018-10-24 12:25:21,218 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-24 12:25:21,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2018-10-24 12:25:21,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-10-24 12:25:21,256 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-10-24 12:25:21,258 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:21,272 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:21,295 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:25:21,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-10-24 12:25:21,401 INFO L202 ElimStorePlain]: Needed 35 recursive calls to eliminate 6 variables, input treesize:147, output treesize:192 [2018-10-24 12:25:21,610 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2018-10-24 12:25:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 43 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-24 12:25:22,489 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:25:22,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 22] total 63 [2018-10-24 12:25:22,489 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:25:22,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-10-24 12:25:22,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-10-24 12:25:22,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=3340, Unknown=4, NotChecked=120, Total=3906 [2018-10-24 12:25:22,493 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 46 states. [2018-10-24 12:25:24,251 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-10-24 12:25:24,903 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2018-10-24 12:25:29,526 WARN L179 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-10-24 12:25:29,766 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-10-24 12:25:30,144 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 40 [2018-10-24 12:25:30,541 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-10-24 12:25:36,626 WARN L179 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-10-24 12:25:40,727 WARN L179 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-10-24 12:25:44,939 WARN L179 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2018-10-24 12:25:45,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:25:45,481 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2018-10-24 12:25:45,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-10-24 12:25:45,482 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 57 [2018-10-24 12:25:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:25:45,484 INFO L225 Difference]: With dead ends: 89 [2018-10-24 12:25:45,484 INFO L226 Difference]: Without dead ends: 87 [2018-10-24 12:25:45,489 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 2017 ImplicationChecksByTransitivity, 37.9s TimeCoverageRelationStatistics Valid=1067, Invalid=6942, Unknown=5, NotChecked=176, Total=8190 [2018-10-24 12:25:45,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-24 12:25:45,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 69. [2018-10-24 12:25:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-10-24 12:25:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-10-24 12:25:45,509 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 57 [2018-10-24 12:25:45,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:25:45,510 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-10-24 12:25:45,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-10-24 12:25:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-10-24 12:25:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-24 12:25:45,511 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:25:45,512 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:25:45,512 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:25:45,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:25:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash -925373209, now seen corresponding path program 2 times [2018-10-24 12:25:45,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:25:45,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:25:45,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:25:45,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:25:45,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:25:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:25:45,925 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 12:25:46,693 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2018-10-24 12:25:47,179 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2018-10-24 12:25:47,404 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2018-10-24 12:25:47,644 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-10-24 12:25:47,817 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2018-10-24 12:25:47,978 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2018-10-24 12:25:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 80 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-24 12:25:48,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:25:48,808 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:25:48,808 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:25:48,808 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:25:48,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:25:48,809 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:25:48,817 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 12:25:48,818 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-24 12:25:49,087 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-24 12:25:49,087 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:25:49,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:25:49,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:25:49,129 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,144 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-10-24 12:25:49,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2018-10-24 12:25:49,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:25:49,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2018-10-24 12:25:49,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-10-24 12:25:49,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:49,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-10-24 12:25:49,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,793 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:49,819 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:45 [2018-10-24 12:25:49,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-10-24 12:25:50,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:50,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-10-24 12:25:50,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:50,018 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:50,051 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:50,051 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:42 [2018-10-24 12:25:51,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-10-24 12:25:51,852 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:51,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-24 12:25:51,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:51,863 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:51,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:25:51,864 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:51,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:51,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:51,892 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:63, output treesize:3 [2018-10-24 12:25:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 3 proven. 86 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-24 12:25:52,017 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:25:53,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 60 treesize of output 54 [2018-10-24 12:25:53,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:53,565 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-10-24 12:25:53,566 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-24 12:25:53,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-10-24 12:25:53,586 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:53,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2018-10-24 12:25:53,613 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:53,624 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 42 [2018-10-24 12:25:53,625 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:53,627 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:53,629 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2018-10-24 12:25:53,629 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:53,749 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:53,782 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:25:53,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:25:53,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-10-24 12:25:53,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-10-24 12:25:53,836 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:53,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 72 [2018-10-24 12:25:54,020 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-24 12:25:54,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:54,028 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 52 [2018-10-24 12:25:54,046 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:54,051 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:54,052 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,058 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 91 [2018-10-24 12:25:54,082 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:54,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:54,089 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,094 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,117 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 90 [2018-10-24 12:25:54,119 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:54,121 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,122 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,122 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,123 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 93 [2018-10-24 12:25:54,150 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-10-24 12:25:54,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:54,156 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,161 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 93 [2018-10-24 12:25:54,181 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:54,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:54,190 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,194 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 87 [2018-10-24 12:25:54,218 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:54,369 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:54,371 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2018-10-24 12:25:54,372 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:54,467 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:54,514 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:54,574 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:54,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 117 [2018-10-24 12:25:54,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 97 [2018-10-24 12:25:54,594 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 80 [2018-10-24 12:25:54,702 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-10-24 12:25:54,711 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,715 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,722 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 105 [2018-10-24 12:25:54,745 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 6 xjuncts. [2018-10-24 12:25:54,772 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,776 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,782 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 109 [2018-10-24 12:25:54,804 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 6 xjuncts. [2018-10-24 12:25:54,807 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,812 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,820 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,837 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 111 [2018-10-24 12:25:54,840 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 6 xjuncts. [2018-10-24 12:25:54,843 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,847 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,855 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 108 [2018-10-24 12:25:54,878 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 6 xjuncts. [2018-10-24 12:25:54,884 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 56 [2018-10-24 12:25:54,906 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 4 xjuncts. [2018-10-24 12:25:54,909 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,910 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,914 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:54,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 71 [2018-10-24 12:25:54,922 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:55,086 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-10-24 12:25:55,194 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:25:55,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 109 treesize of output 102 [2018-10-24 12:25:55,363 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 90 [2018-10-24 12:25:55,600 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-24 12:25:55,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,613 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 52 [2018-10-24 12:25:55,628 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:55,634 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,635 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,637 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,652 INFO L477 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 92 [2018-10-24 12:25:55,653 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:55,661 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,661 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,663 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,665 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,679 INFO L477 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 92 [2018-10-24 12:25:55,680 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:55,683 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,683 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,684 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 91 [2018-10-24 12:25:55,697 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:55,703 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,704 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,726 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 94 [2018-10-24 12:25:55,728 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,734 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,735 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 91 [2018-10-24 12:25:55,761 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,767 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 96 [2018-10-24 12:25:55,792 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,800 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,827 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 94 [2018-10-24 12:25:55,829 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,835 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,837 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 93 [2018-10-24 12:25:55,864 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,870 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,870 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 87 [2018-10-24 12:25:55,897 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,903 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 96 [2018-10-24 12:25:55,930 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:55,934 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,935 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,935 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 94 [2018-10-24 12:25:55,948 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:55,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:55,959 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:55,983 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 94 [2018-10-24 12:25:55,985 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:56,161 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:25:56,207 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:25:56,421 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:25:56,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 60 treesize of output 54 [2018-10-24 12:25:56,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-10-24 12:25:56,636 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:56,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 52 [2018-10-24 12:25:56,666 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:56,668 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-10-24 12:25:56,668 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:56,677 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:56,677 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:56,679 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:56,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 53 [2018-10-24 12:25:56,689 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:56,719 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:56,755 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:25:56,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-10-24 12:25:56,804 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:56,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-10-24 12:25:56,806 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:56,862 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:25:56,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-10-24 12:25:56,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-10-24 12:25:56,877 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:56,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 72 [2018-10-24 12:25:57,056 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-24 12:25:57,061 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,063 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,068 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 91 [2018-10-24 12:25:57,095 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:57,098 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,101 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,105 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,106 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 93 [2018-10-24 12:25:57,131 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:57,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,138 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 52 [2018-10-24 12:25:57,152 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-10-24 12:25:57,185 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,225 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,244 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,245 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 87 [2018-10-24 12:25:57,273 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:57,282 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,284 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,288 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,289 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,314 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 90 [2018-10-24 12:25:57,316 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 3 xjuncts. [2018-10-24 12:25:57,319 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,323 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,324 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,324 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 93 [2018-10-24 12:25:57,349 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 4 xjuncts. [2018-10-24 12:25:57,521 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,522 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2018-10-24 12:25:57,524 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:57,527 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:25:57,528 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:25:57,529 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-10-24 12:25:57,530 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-10-24 12:25:57,604 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:57,699 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:57,772 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:25:58,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-10-24 12:25:58,007 INFO L202 ElimStorePlain]: Needed 59 recursive calls to eliminate 6 variables, input treesize:171, output treesize:430 [2018-10-24 12:25:58,470 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2018-10-24 12:25:58,888 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-10-24 12:25:59,188 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-10-24 12:25:59,446 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-10-24 12:25:59,729 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-10-24 12:26:00,108 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2018-10-24 12:26:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-24 12:26:00,223 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:26:00,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 23] total 67 [2018-10-24 12:26:00,223 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:26:00,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-10-24 12:26:00,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-10-24 12:26:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=4035, Unknown=0, NotChecked=0, Total=4422 [2018-10-24 12:26:00,226 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 49 states. [2018-10-24 12:26:01,877 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2018-10-24 12:26:05,748 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2018-10-24 12:26:06,412 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2018-10-24 12:26:08,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:26:08,960 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2018-10-24 12:26:08,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-10-24 12:26:08,961 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 66 [2018-10-24 12:26:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:26:08,962 INFO L225 Difference]: With dead ends: 93 [2018-10-24 12:26:08,962 INFO L226 Difference]: Without dead ends: 91 [2018-10-24 12:26:08,965 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 89 SyntacticMatches, 9 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2326 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=1056, Invalid=8450, Unknown=0, NotChecked=0, Total=9506 [2018-10-24 12:26:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-24 12:26:08,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2018-10-24 12:26:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-24 12:26:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2018-10-24 12:26:08,978 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 66 [2018-10-24 12:26:08,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:26:08,978 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2018-10-24 12:26:08,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-10-24 12:26:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2018-10-24 12:26:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-24 12:26:08,980 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:26:08,980 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:26:08,980 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:26:08,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:26:08,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1861098169, now seen corresponding path program 3 times [2018-10-24 12:26:08,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:26:08,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:26:08,982 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:26:08,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:26:08,982 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:26:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:26:09,364 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 12:26:09,533 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-10-24 12:26:10,099 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2018-10-24 12:26:10,271 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2018-10-24 12:26:10,487 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2018-10-24 12:26:10,654 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2018-10-24 12:26:10,818 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2018-10-24 12:26:10,991 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2018-10-24 12:26:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 5 proven. 108 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 12:26:12,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:26:12,069 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:26:12,069 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:26:12,069 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:26:12,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:26:12,069 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:26:12,077 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-24 12:26:12,077 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-24 12:26:12,137 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-24 12:26:12,138 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:26:12,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:26:12,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:26:12,166 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,179 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-10-24 12:26:12,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2018-10-24 12:26:12,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:26:12,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2018-10-24 12:26:12,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-24 12:26:12,607 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,624 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:26:12,664 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:99, output treesize:91 [2018-10-24 12:26:12,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2018-10-24 12:26:12,890 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:12,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 30 [2018-10-24 12:26:12,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:12,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:13,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2018-10-24 12:26:13,012 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:13,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 30 [2018-10-24 12:26:13,015 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:13,043 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:13,108 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:26:13,108 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:133, output treesize:97 [2018-10-24 12:26:13,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-10-24 12:26:13,991 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:13,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-10-24 12:26:13,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-10-24 12:26:14,077 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:14,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-10-24 12:26:14,079 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,099 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:26:14,150 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:119, output treesize:93 [2018-10-24 12:26:14,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2018-10-24 12:26:14,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:14,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 30 [2018-10-24 12:26:14,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,428 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-24 12:26:14,428 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:14,447 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:125, output treesize:46 [2018-10-24 12:26:16,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 34 [2018-10-24 12:26:16,343 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:16,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-10-24 12:26:16,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:16,352 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:16,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-10-24 12:26:16,354 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:16,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:16,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:16,368 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:63, output treesize:3 [2018-10-24 12:26:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-24 12:26:16,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:26:18,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 72 treesize of output 66 [2018-10-24 12:26:18,934 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:18,935 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-10-24 12:26:18,936 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-24 12:26:18,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-10-24 12:26:18,964 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:18,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2018-10-24 12:26:18,977 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:18,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 60 [2018-10-24 12:26:19,094 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 76 [2018-10-24 12:26:19,127 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:19,135 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 84 [2018-10-24 12:26:19,163 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:19,167 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2018-10-24 12:26:19,177 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:19,341 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,351 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 60 [2018-10-24 12:26:19,351 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:19,354 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,356 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-10-24 12:26:19,356 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:19,433 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:19,498 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:19,557 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:19,630 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:19,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 129 [2018-10-24 12:26:19,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 109 [2018-10-24 12:26:19,652 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 83 [2018-10-24 12:26:19,660 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 90 [2018-10-24 12:26:19,926 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-10-24 12:26:19,933 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,937 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,944 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:19,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 154 [2018-10-24 12:26:19,995 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-24 12:26:20,007 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 36 xjuncts. [2018-10-24 12:26:20,026 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,028 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,035 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 153 [2018-10-24 12:26:20,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-24 12:26:20,093 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 33 xjuncts. [2018-10-24 12:26:20,099 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,103 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,110 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 156 [2018-10-24 12:26:20,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-24 12:26:20,168 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 36 xjuncts. [2018-10-24 12:26:20,183 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,185 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,190 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,212 INFO L477 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 104 [2018-10-24 12:26:20,214 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:20,242 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,275 INFO L477 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 91 [2018-10-24 12:26:20,303 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:20,312 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,316 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,322 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:20,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 152 [2018-10-24 12:26:20,369 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-24 12:26:20,378 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 35 xjuncts. [2018-10-24 12:26:22,049 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,051 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,055 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,082 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 120 [2018-10-24 12:26:22,085 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 6 xjuncts. [2018-10-24 12:26:22,090 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,090 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,093 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 80 [2018-10-24 12:26:22,104 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:22,108 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:22,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 72 [2018-10-24 12:26:22,130 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:22,519 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-10-24 12:26:22,775 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-10-24 12:26:23,052 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-10-24 12:26:23,682 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:23,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 121 treesize of output 114 [2018-10-24 12:26:23,692 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:23,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 90 [2018-10-24 12:26:23,715 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:23,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 110 [2018-10-24 12:26:24,732 WARN L179 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 212 [2018-10-24 12:26:24,739 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:24,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2018-10-24 12:26:24,755 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:24,758 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,758 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:24,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 81 [2018-10-24 12:26:24,764 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:24,767 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,768 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:24,772 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 76 [2018-10-24 12:26:24,772 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:24,786 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,786 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,788 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:24,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2018-10-24 12:26:24,793 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:24,797 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,797 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:24,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:24,801 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 79 [2018-10-24 12:26:24,802 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:24,822 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:26:24,822 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:25,847 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:25,848 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:25,849 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:25,862 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 61 [2018-10-24 12:26:25,863 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:25,866 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:25,868 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:25,881 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:25,881 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:25,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 95 [2018-10-24 12:26:25,894 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:26,383 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:26,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:26,388 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:26,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 66 [2018-10-24 12:26:26,411 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:26,420 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:26,424 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:26,450 INFO L477 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 109 [2018-10-24 12:26:26,452 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:26,457 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:26,461 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:26,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 107 [2018-10-24 12:26:26,490 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:27,060 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 88 [2018-10-24 12:26:27,079 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:27,086 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 90 [2018-10-24 12:26:27,106 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:27,110 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:27,113 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 50 [2018-10-24 12:26:27,140 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:27,533 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,537 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,577 INFO L477 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 126 [2018-10-24 12:26:27,583 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:27,590 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,594 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 128 [2018-10-24 12:26:27,639 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:27,644 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,648 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:27,676 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 72 [2018-10-24 12:26:27,678 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:28,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:28,354 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:28,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 59 [2018-10-24 12:26:28,413 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:28,607 INFO L267 ElimStorePlain]: Start of recursive call 27: 7 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-10-24 12:26:28,806 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:28,808 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:28,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 78 [2018-10-24 12:26:29,074 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-10-24 12:26:29,081 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,111 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 103 [2018-10-24 12:26:29,113 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 6 xjuncts. [2018-10-24 12:26:29,117 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 69 [2018-10-24 12:26:29,128 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:29,131 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 103 [2018-10-24 12:26:29,163 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 6 xjuncts. [2018-10-24 12:26:29,196 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 105 [2018-10-24 12:26:29,224 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 6 xjuncts. [2018-10-24 12:26:29,228 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,246 INFO L477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 64 [2018-10-24 12:26:29,247 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:29,252 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 100 [2018-10-24 12:26:29,283 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 6 xjuncts. [2018-10-24 12:26:29,535 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,537 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,733 INFO L477 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 139 [2018-10-24 12:26:29,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-24 12:26:29,744 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 32 xjuncts. [2018-10-24 12:26:29,797 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,820 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 83 [2018-10-24 12:26:29,859 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:29,958 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:29,971 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:30,059 INFO L303 Elim1Store]: Index analysis took 199 ms [2018-10-24 12:26:30,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 93 [2018-10-24 12:26:30,081 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:30,546 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-10-24 12:26:30,726 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-10-24 12:26:30,894 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-10-24 12:26:31,493 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-10-24 12:26:31,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 88 [2018-10-24 12:26:31,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-10-24 12:26:31,508 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 69 [2018-10-24 12:26:31,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 61 [2018-10-24 12:26:31,729 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-24 12:26:31,734 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:31,757 INFO L477 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 74 [2018-10-24 12:26:31,758 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:31,762 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:31,787 INFO L477 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 80 [2018-10-24 12:26:31,789 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:31,792 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,794 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,805 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 70 [2018-10-24 12:26:31,806 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:31,809 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:31,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 82 [2018-10-24 12:26:31,836 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:31,841 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:31,853 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 53 [2018-10-24 12:26:31,854 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:31,858 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:31,861 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:31,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 83 [2018-10-24 12:26:31,884 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:32,097 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:32,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:32,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 52 [2018-10-24 12:26:32,100 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:32,104 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:32,104 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-10-24 12:26:32,105 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:32,202 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-10-24 12:26:32,312 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:32,318 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:32,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 95 [2018-10-24 12:26:33,099 WARN L179 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 185 [2018-10-24 12:26:33,103 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,106 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,107 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,108 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:33,110 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,124 INFO L477 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 94 [2018-10-24 12:26:33,125 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:33,128 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,131 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,131 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,132 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 107 [2018-10-24 12:26:33,152 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:33,156 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,159 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,160 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,161 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:33,163 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 103 [2018-10-24 12:26:33,177 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:33,180 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,181 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:33,183 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,190 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2018-10-24 12:26:33,190 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:33,194 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,197 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,198 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,199 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:33,202 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 102 [2018-10-24 12:26:33,218 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:33,222 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,224 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,225 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,227 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:33,229 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:33,243 INFO L477 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 100 [2018-10-24 12:26:33,244 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:34,085 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,087 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,090 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,090 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,093 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:34,097 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 136 [2018-10-24 12:26:34,144 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 11 xjuncts. [2018-10-24 12:26:34,147 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,148 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,150 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:34,154 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 80 [2018-10-24 12:26:34,180 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:34,185 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,190 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,191 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,192 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,192 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 131 [2018-10-24 12:26:34,235 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:34,926 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,928 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,931 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:34,934 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 98 [2018-10-24 12:26:34,957 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:34,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:34,963 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:34,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 57 [2018-10-24 12:26:34,975 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:35,367 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:35,373 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:35,374 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:35,375 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:35,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 102 [2018-10-24 12:26:35,406 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:35,747 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:35,748 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:35,748 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:35,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:35,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 77 [2018-10-24 12:26:35,763 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:36,067 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,068 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:36,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-10-24 12:26:36,071 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:36,075 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,077 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,077 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:36,089 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 78 [2018-10-24 12:26:36,090 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:36,333 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,341 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,342 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,342 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,343 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,389 INFO L477 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 136 [2018-10-24 12:26:36,394 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 32 xjuncts. [2018-10-24 12:26:36,399 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,402 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,407 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:36,414 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 60 treesize of output 136 [2018-10-24 12:26:36,466 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:36,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:36,471 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:36,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 50 [2018-10-24 12:26:36,485 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:36,916 INFO L267 ElimStorePlain]: Start of recursive call 68: 7 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-10-24 12:26:37,108 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-10-24 12:26:37,269 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-10-24 12:26:37,453 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-10-24 12:26:37,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 88 [2018-10-24 12:26:37,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-10-24 12:26:37,956 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:37,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 69 [2018-10-24 12:26:37,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 61 [2018-10-24 12:26:38,175 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-24 12:26:38,180 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,181 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2018-10-24 12:26:38,182 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:38,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,187 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-10-24 12:26:38,187 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:38,190 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:26:38,191 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:38,194 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,195 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,195 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 55 [2018-10-24 12:26:38,196 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:38,198 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 52 [2018-10-24 12:26:38,201 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:38,204 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,205 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,206 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2018-10-24 12:26:38,206 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:38,369 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,398 INFO L477 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 69 [2018-10-24 12:26:38,399 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:38,402 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,404 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,415 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 65 [2018-10-24 12:26:38,416 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:38,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,431 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 48 [2018-10-24 12:26:38,432 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:38,435 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,440 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:38,459 INFO L477 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 75 [2018-10-24 12:26:38,461 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:38,613 INFO L267 ElimStorePlain]: Start of recursive call 90: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-10-24 12:26:38,789 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,793 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:38,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 95 [2018-10-24 12:26:39,600 WARN L179 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2018-10-24 12:26:39,604 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:39,607 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 75 [2018-10-24 12:26:39,620 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:39,624 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,627 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:39,627 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 81 [2018-10-24 12:26:39,640 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:39,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:39,644 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2018-10-24 12:26:39,648 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:39,650 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:26:39,651 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:39,654 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:39,657 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,668 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 83 [2018-10-24 12:26:39,669 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:39,672 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:39,676 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:39,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 78 [2018-10-24 12:26:39,688 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:40,569 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,572 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,574 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,575 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,579 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:40,580 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 134 [2018-10-24 12:26:40,626 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 11 xjuncts. [2018-10-24 12:26:40,631 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,634 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,636 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,637 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:40,644 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 128 [2018-10-24 12:26:40,688 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 11 xjuncts. [2018-10-24 12:26:40,691 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,697 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,697 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,698 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,699 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 131 [2018-10-24 12:26:40,742 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:40,745 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,746 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,749 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:40,752 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:40,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 80 [2018-10-24 12:26:40,777 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:41,924 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:41,925 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:41,925 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:41,927 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:41,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 77 [2018-10-24 12:26:41,940 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:42,520 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,566 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,566 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,567 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 98 [2018-10-24 12:26:42,589 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:42,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:42,596 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 57 [2018-10-24 12:26:42,609 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:42,613 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,614 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:42,621 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 96 [2018-10-24 12:26:42,642 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:42,645 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,647 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:42,654 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:42,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 90 [2018-10-24 12:26:42,676 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 3 xjuncts. [2018-10-24 12:26:43,180 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,187 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,187 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,188 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,189 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,236 INFO L477 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 136 [2018-10-24 12:26:43,243 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 32 xjuncts. [2018-10-24 12:26:43,312 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,314 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,317 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,323 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:43,323 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 128 [2018-10-24 12:26:43,377 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:43,380 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,383 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,386 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:43,392 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 67 treesize of output 134 [2018-10-24 12:26:43,444 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 16 xjuncts. [2018-10-24 12:26:43,449 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,454 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:43,455 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:43,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 80 [2018-10-24 12:26:43,487 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:44,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:26:44,381 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:44,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 61 [2018-10-24 12:26:44,394 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:44,398 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:44,402 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:44,403 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:44,403 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:44,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 102 [2018-10-24 12:26:44,428 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 4 xjuncts. [2018-10-24 12:26:44,853 INFO L267 ElimStorePlain]: Start of recursive call 101: 7 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-10-24 12:26:45,042 INFO L267 ElimStorePlain]: Start of recursive call 89: 2 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-24 12:26:45,206 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-24 12:26:45,392 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-24 12:26:45,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 72 treesize of output 66 [2018-10-24 12:26:45,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-10-24 12:26:45,410 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 49 [2018-10-24 12:26:45,417 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 68 [2018-10-24 12:26:45,536 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2018-10-24 12:26:45,543 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,544 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,548 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 91 [2018-10-24 12:26:45,575 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:45,581 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,583 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,586 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 95 [2018-10-24 12:26:45,612 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 8 xjuncts. [2018-10-24 12:26:45,616 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 44 [2018-10-24 12:26:45,626 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:45,852 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,853 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2018-10-24 12:26:45,854 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:45,858 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,859 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,860 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:26:45,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 71 [2018-10-24 12:26:45,870 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 2 xjuncts. [2018-10-24 12:26:45,956 INFO L267 ElimStorePlain]: Start of recursive call 126: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:46,021 INFO L267 ElimStorePlain]: Start of recursive call 125: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:46,082 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:26:46,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-10-24 12:26:46,164 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:46,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-10-24 12:26:46,167 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:46,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-10-24 12:26:46,172 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:46,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-10-24 12:26:46,175 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-10-24 12:26:46,219 INFO L267 ElimStorePlain]: Start of recursive call 123: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:26:46,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-2 vars, End of recursive call: and 18 xjuncts. [2018-10-24 12:26:46,965 INFO L202 ElimStorePlain]: Needed 135 recursive calls to eliminate 12 variables, input treesize:195, output treesize:758 [2018-10-24 12:26:47,409 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-10-24 12:26:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-24 12:26:48,101 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:26:48,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 25] total 76 [2018-10-24 12:26:48,101 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:26:48,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-10-24 12:26:48,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-10-24 12:26:48,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=484, Invalid=5216, Unknown=0, NotChecked=0, Total=5700 [2018-10-24 12:26:48,104 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 56 states. [2018-10-24 12:26:49,346 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2018-10-24 12:26:49,573 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-10-24 12:26:49,946 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2018-10-24 12:26:50,194 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 40 [2018-10-24 12:26:50,563 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2018-10-24 12:26:50,797 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2018-10-24 12:26:51,324 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 40 [2018-10-24 12:26:53,762 WARN L179 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 112 DAG size of output: 43 [2018-10-24 12:26:54,044 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2018-10-24 12:26:54,474 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 44 [2018-10-24 12:26:55,193 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 46 [2018-10-24 12:26:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:26:56,777 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2018-10-24 12:26:56,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-10-24 12:26:56,777 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 75 [2018-10-24 12:26:56,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:26:56,779 INFO L225 Difference]: With dead ends: 91 [2018-10-24 12:26:56,779 INFO L226 Difference]: Without dead ends: 89 [2018-10-24 12:26:56,783 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 98 SyntacticMatches, 10 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2488 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=1103, Invalid=9199, Unknown=0, NotChecked=0, Total=10302 [2018-10-24 12:26:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-10-24 12:26:56,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2018-10-24 12:26:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-10-24 12:26:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2018-10-24 12:26:56,801 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 75 [2018-10-24 12:26:56,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:26:56,801 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2018-10-24 12:26:56,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-10-24 12:26:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-10-24 12:26:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-24 12:26:56,803 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:26:56,803 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:26:56,803 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:26:56,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:26:56,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1900455641, now seen corresponding path program 4 times [2018-10-24 12:26:56,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:26:56,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:26:56,805 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 12:26:56,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:26:56,805 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:26:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:26:57,299 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 12:26:57,703 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 40 [2018-10-24 12:26:57,890 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2018-10-24 12:26:58,084 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-10-24 12:26:58,279 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-10-24 12:26:58,455 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2018-10-24 12:26:58,605 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2018-10-24 12:26:59,064 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2018-10-24 12:27:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 7 proven. 132 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-24 12:27:00,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:27:00,042 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:27:00,042 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:27:00,042 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:27:00,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:27:00,043 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:27:00,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:27:00,050 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 12:27:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:27:00,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:27:00,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-24 12:27:00,156 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,161 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-10-24 12:27:00,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 42 [2018-10-24 12:27:00,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-10-24 12:27:00,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 39 [2018-10-24 12:27:00,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-10-24 12:27:00,226 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,237 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-24 12:27:00,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:88, output treesize:54 [2018-10-24 12:27:00,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 42 [2018-10-24 12:27:00,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-10-24 12:27:00,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,444 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:38 [2018-10-24 12:27:00,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-10-24 12:27:00,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:00,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2018-10-24 12:27:00,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,627 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:60, output treesize:44 [2018-10-24 12:27:00,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-10-24 12:27:00,805 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:00,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2018-10-24 12:27:00,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:00,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:60, output treesize:44 [2018-10-24 12:27:00,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-10-24 12:27:00,999 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:01,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2018-10-24 12:27:01,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:01,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:01,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:01,032 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:60, output treesize:44 [2018-10-24 12:27:01,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-10-24 12:27:01,204 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:01,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2018-10-24 12:27:01,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:01,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:01,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:01,234 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:60, output treesize:44 [2018-10-24 12:27:03,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 33 [2018-10-24 12:27:03,683 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:03,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-10-24 12:27:03,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:03,693 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:03,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-24 12:27:03,694 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:03,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:03,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:03,709 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:62, output treesize:3 [2018-10-24 12:27:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-24 12:27:03,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:27:07,467 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2018-10-24 12:27:07,477 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:07,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:07,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 71 [2018-10-24 12:27:07,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-10-24 12:27:07,550 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:07,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 63 [2018-10-24 12:27:07,577 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:07,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 68 [2018-10-24 12:27:07,581 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:07,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 82 [2018-10-24 12:27:07,607 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:07,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 104 [2018-10-24 12:27:07,654 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:07,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 109 [2018-10-24 12:27:08,640 WARN L179 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2018-10-24 12:27:08,646 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:08,646 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:08,648 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:08,652 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-10-24 12:27:08,653 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:08,656 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:08,656 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:08,658 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:08,658 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:08,661 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:08,662 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:08,681 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:08,681 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:08,684 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:08,684 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:09,325 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:09,327 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:09,329 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:09,329 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:09,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:09,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 95 [2018-10-24 12:27:09,362 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:09,740 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:09,742 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:09,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:09,757 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 73 [2018-10-24 12:27:09,757 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:10,034 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,036 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,036 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,039 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 100 [2018-10-24 12:27:10,071 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:10,402 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,403 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,405 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,406 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,407 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,409 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,411 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 77 [2018-10-24 12:27:10,412 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:10,416 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,416 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,417 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,418 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,419 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,424 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 67 [2018-10-24 12:27:10,431 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:10,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,688 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,688 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 72 [2018-10-24 12:27:10,697 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:10,706 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,707 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,708 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,709 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,710 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 72 [2018-10-24 12:27:10,725 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:10,876 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,877 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:10,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,881 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 46 [2018-10-24 12:27:10,882 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:10,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,888 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:10,889 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2018-10-24 12:27:10,889 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:10,978 INFO L267 ElimStorePlain]: Start of recursive call 9: 7 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:11,226 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:11,229 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:11,233 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:11,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 68 treesize of output 129 [2018-10-24 12:27:15,333 WARN L179 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 829 DAG size of output: 545 [2018-10-24 12:27:15,341 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:15,341 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:15,343 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:15,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:15,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:15,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 99 [2018-10-24 12:27:15,352 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:15,355 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:15,355 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:15,358 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:15,359 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:15,361 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:15,361 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:15,364 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:15,364 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:15,368 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:15,368 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:18,743 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:18,746 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:18,746 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:18,747 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:18,748 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:18,748 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:18,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:18,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 120 [2018-10-24 12:27:18,789 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:20,073 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,075 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,076 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,076 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,077 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,079 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,085 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,094 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 104 [2018-10-24 12:27:20,095 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:20,098 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,099 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,100 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,102 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,103 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,104 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,104 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,107 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,108 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:20,109 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,110 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:20,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 79 [2018-10-24 12:27:20,112 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:21,224 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:21,226 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:21,227 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:21,227 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:21,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:21,261 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 99 [2018-10-24 12:27:21,262 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:22,268 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:22,271 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:22,273 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:22,274 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:22,275 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:22,275 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:22,277 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:22,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 125 [2018-10-24 12:27:22,323 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 16 xjuncts. [2018-10-24 12:27:23,430 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:23,430 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:23,431 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:23,431 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:23,434 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:23,435 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:23,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 104 [2018-10-24 12:27:23,460 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:24,350 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:24,353 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,353 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:24,356 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:24,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 67 [2018-10-24 12:27:24,358 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:24,361 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,362 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,362 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:24,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:24,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:24,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-10-24 12:27:24,370 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:25,170 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:25,172 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:25,173 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:25,174 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:25,175 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:25,182 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:25,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 99 [2018-10-24 12:27:25,197 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:26,571 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:26,572 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:26,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:26,583 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 74 [2018-10-24 12:27:26,584 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:27,250 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,253 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,254 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,254 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:27,271 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 93 [2018-10-24 12:27:27,272 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:27,908 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,909 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,911 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,912 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,913 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,914 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,915 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:27,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:27,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 98 [2018-10-24 12:27:27,942 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:27,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:27,948 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,949 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,950 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,951 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:27,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:27,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:27,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 93 [2018-10-24 12:27:27,967 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:29,063 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,064 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,064 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,064 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,066 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,068 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:29,084 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 98 [2018-10-24 12:27:29,085 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:29,570 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,571 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,572 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:29,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:29,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 73 [2018-10-24 12:27:29,579 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:30,017 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,018 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,021 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,022 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,023 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,023 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,025 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,027 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,034 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 92 [2018-10-24 12:27:30,043 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:30,049 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,051 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,052 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,052 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,053 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,065 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,080 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 108 [2018-10-24 12:27:30,081 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:30,522 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,523 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,524 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 76 [2018-10-24 12:27:30,533 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:30,536 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,537 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,538 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:30,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:30,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 71 [2018-10-24 12:27:30,547 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:31,095 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,098 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,100 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,101 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,101 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,104 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,105 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:31,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 64 treesize of output 130 [2018-10-24 12:27:31,159 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 32 xjuncts. [2018-10-24 12:27:31,559 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,559 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,569 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,570 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,570 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,571 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,572 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:31,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 102 [2018-10-24 12:27:31,604 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:31,608 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:31,609 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,610 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,611 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,611 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:31,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:31,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 97 [2018-10-24 12:27:31,634 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:31,844 INFO L267 ElimStorePlain]: Start of recursive call 25: 20 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-10-24 12:27:32,132 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 82 [2018-10-24 12:27:32,397 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-24 12:27:32,404 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,404 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 97 [2018-10-24 12:27:32,421 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:32,428 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,428 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,430 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 105 [2018-10-24 12:27:32,445 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:32,451 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,452 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,454 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,455 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 106 [2018-10-24 12:27:32,469 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:32,473 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,474 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,477 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 103 [2018-10-24 12:27:32,491 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:32,495 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:32,496 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:32,500 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,515 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 89 [2018-10-24 12:27:32,516 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:32,748 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,749 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,751 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,754 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 52 [2018-10-24 12:27:32,755 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:32,759 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:32,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,761 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:32,762 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 67 [2018-10-24 12:27:32,763 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:32,840 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:27:33,095 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:33,098 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:33,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:33,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 112 [2018-10-24 12:27:34,091 WARN L179 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 199 [2018-10-24 12:27:34,096 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:34,096 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,100 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,102 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 80 [2018-10-24 12:27:34,103 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,107 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,108 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,109 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 82 [2018-10-24 12:27:34,110 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,114 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,115 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,117 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-10-24 12:27:34,118 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,121 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,122 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,124 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,125 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 83 [2018-10-24 12:27:34,125 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,128 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,129 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,130 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 74 [2018-10-24 12:27:34,132 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,852 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,853 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,853 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,858 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 83 [2018-10-24 12:27:34,863 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:34,866 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,870 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,870 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,871 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:34,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:34,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 69 [2018-10-24 12:27:34,873 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:35,200 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,202 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,202 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,205 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,223 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 100 [2018-10-24 12:27:35,241 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:35,544 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,546 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,560 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 79 [2018-10-24 12:27:35,561 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:35,786 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,788 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,789 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,791 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 106 [2018-10-24 12:27:35,824 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:35,829 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,833 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,834 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,835 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,836 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,836 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,837 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:35,839 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,849 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:35,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 122 [2018-10-24 12:27:35,863 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:36,328 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:36,331 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:36,331 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:36,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:36,335 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:36,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 96 [2018-10-24 12:27:36,349 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:36,354 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:36,356 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:36,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:36,370 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 80 [2018-10-24 12:27:36,371 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:36,506 INFO L267 ElimStorePlain]: Start of recursive call 63: 7 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-24 12:27:36,983 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:36,987 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 100 [2018-10-24 12:27:37,406 WARN L179 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 107 [2018-10-24 12:27:37,410 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,411 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,412 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,414 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 93 [2018-10-24 12:27:37,421 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,424 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,425 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 90 [2018-10-24 12:27:37,435 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,439 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,440 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,441 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,448 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 95 [2018-10-24 12:27:37,449 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,452 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:37,453 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,456 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,458 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,459 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,465 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 87 [2018-10-24 12:27:37,466 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,470 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,472 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,473 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 90 [2018-10-24 12:27:37,480 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,779 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,780 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,781 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 75 [2018-10-24 12:27:37,790 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,793 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,794 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,794 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,795 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,796 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 91 [2018-10-24 12:27:37,804 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,810 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,811 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,811 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,811 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,812 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 89 [2018-10-24 12:27:37,821 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:37,981 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,984 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,986 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,987 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,988 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:37,989 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:37,991 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:38,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 113 [2018-10-24 12:27:38,018 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:38,023 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:38,025 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:38,026 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:38,027 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:38,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:38,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 97 [2018-10-24 12:27:38,055 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:38,157 INFO L267 ElimStorePlain]: Start of recursive call 78: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:27:38,340 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:38,343 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:38,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 107 [2018-10-24 12:27:39,293 WARN L179 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 195 [2018-10-24 12:27:39,299 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:39,302 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:39,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:39,310 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:39,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 102 [2018-10-24 12:27:39,325 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:39,329 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:39,329 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:39,333 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:39,333 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:39,336 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:39,337 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:39,361 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:39,361 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:39,377 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:39,377 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:40,189 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,190 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,191 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,191 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,193 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,198 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 68 [2018-10-24 12:27:40,205 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:40,211 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,212 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,213 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,215 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 68 [2018-10-24 12:27:40,218 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:40,514 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,516 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,517 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,519 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,521 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 101 [2018-10-24 12:27:40,551 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:40,858 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,859 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,860 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,860 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,861 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 83 [2018-10-24 12:27:40,868 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:40,873 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,873 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,874 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,875 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:40,876 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:40,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 73 [2018-10-24 12:27:40,891 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:41,121 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:41,122 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:41,124 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 57 [2018-10-24 12:27:41,124 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:41,129 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:41,130 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:41,130 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-10-24 12:27:41,131 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:41,288 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:41,290 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:41,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:41,303 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 75 [2018-10-24 12:27:41,303 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:41,452 INFO L267 ElimStorePlain]: Start of recursive call 90: 7 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:41,585 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:41,589 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:41,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 102 [2018-10-24 12:27:42,511 WARN L179 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 196 [2018-10-24 12:27:42,517 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:42,518 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 67 [2018-10-24 12:27:42,521 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:42,524 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:42,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,526 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 70 [2018-10-24 12:27:42,527 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:42,530 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:42,531 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:42,534 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:42,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2018-10-24 12:27:42,537 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:42,540 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:42,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 67 [2018-10-24 12:27:42,543 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:42,547 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:42,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:42,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 72 [2018-10-24 12:27:42,551 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:43,181 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,183 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,183 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,184 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:43,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 91 [2018-10-24 12:27:43,211 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:43,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:43,579 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,579 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:43,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 68 [2018-10-24 12:27:43,587 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:43,591 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,592 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,592 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,593 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:43,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 68 [2018-10-24 12:27:43,608 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:43,814 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,816 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,817 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:43,827 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 69 [2018-10-24 12:27:43,828 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:43,968 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,971 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,971 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,974 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:43,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 96 [2018-10-24 12:27:44,005 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:44,131 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,133 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,135 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,147 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 70 [2018-10-24 12:27:44,148 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:44,268 INFO L267 ElimStorePlain]: Start of recursive call 105: 7 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:44,353 INFO L267 ElimStorePlain]: Start of recursive call 8: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-10-24 12:27:44,452 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 80 [2018-10-24 12:27:44,475 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 87 [2018-10-24 12:27:44,713 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-10-24 12:27:44,719 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,723 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,736 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 100 [2018-10-24 12:27:44,736 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:44,741 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 102 [2018-10-24 12:27:44,758 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:44,763 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 91 [2018-10-24 12:27:44,779 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:44,782 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:44,782 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:44,786 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,788 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,817 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 97 [2018-10-24 12:27:44,818 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:44,823 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:44,826 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,828 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:44,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 94 [2018-10-24 12:27:44,846 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:45,124 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:45,129 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:45,131 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:45,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2018-10-24 12:27:45,132 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:45,136 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:45,136 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:45,138 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:45,143 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 54 [2018-10-24 12:27:45,144 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:45,147 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:45,149 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:45,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:45,152 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 69 [2018-10-24 12:27:45,152 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:45,248 INFO L267 ElimStorePlain]: Start of recursive call 119: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-24 12:27:45,322 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:45,327 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:45,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 108 [2018-10-24 12:27:46,323 WARN L179 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 197 [2018-10-24 12:27:46,328 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,329 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,330 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 96 [2018-10-24 12:27:46,339 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:46,342 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,344 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,351 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 95 [2018-10-24 12:27:46,352 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:46,356 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,358 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 93 [2018-10-24 12:27:46,367 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:46,371 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,371 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 90 [2018-10-24 12:27:46,381 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:46,385 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,387 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:46,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:46,394 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 87 [2018-10-24 12:27:46,395 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:46,398 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-24 12:27:46,398 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:47,166 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:47,168 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,169 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:47,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 90 [2018-10-24 12:27:47,186 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:47,191 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,192 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,192 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:47,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 85 [2018-10-24 12:27:47,209 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:47,646 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,649 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,649 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,650 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:47,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 97 [2018-10-24 12:27:47,680 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:47,685 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,689 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,690 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,690 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,691 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,692 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:47,694 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:47,695 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:47,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 118 [2018-10-24 12:27:47,770 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 4 xjuncts. [2018-10-24 12:27:48,273 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,276 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,277 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,279 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:48,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 102 [2018-10-24 12:27:48,317 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:48,324 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,328 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,329 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,333 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,334 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:48,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:48,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 118 [2018-10-24 12:27:48,374 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 8 xjuncts. [2018-10-24 12:27:48,856 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,858 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:48,861 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 58 [2018-10-24 12:27:48,861 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:48,892 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:48,893 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:48,894 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:48,895 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 63 [2018-10-24 12:27:48,895 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-10-24 12:27:49,186 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,188 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:49,204 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 71 [2018-10-24 12:27:49,205 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:49,208 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,212 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,213 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:49,216 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:49,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 87 [2018-10-24 12:27:49,231 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:49,468 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,470 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,473 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:49,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:49,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 87 [2018-10-24 12:27:49,489 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:49,493 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,494 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 12:27:49,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 12:27:49,510 INFO L477 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 76 [2018-10-24 12:27:49,511 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 2 xjuncts. [2018-10-24 12:27:49,650 INFO L267 ElimStorePlain]: Start of recursive call 129: 7 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-10-24 12:27:49,724 INFO L267 ElimStorePlain]: Start of recursive call 118: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:49,791 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:49,839 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:49,887 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:49,935 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-24 12:27:50,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 12:27:50,081 INFO L202 ElimStorePlain]: Needed 147 recursive calls to eliminate 36 variables, input treesize:513, output treesize:4 [2018-10-24 12:27:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 8 proven. 82 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-24 12:27:50,211 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:27:50,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 30, 27] total 77 [2018-10-24 12:27:50,211 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:27:50,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-10-24 12:27:50,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-10-24 12:27:50,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=5353, Unknown=0, NotChecked=0, Total=5852 [2018-10-24 12:27:50,213 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 55 states. [2018-10-24 12:27:58,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:27:58,087 INFO L93 Difference]: Finished difference Result 105 states and 107 transitions. [2018-10-24 12:27:58,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-10-24 12:27:58,087 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 84 [2018-10-24 12:27:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:27:58,088 INFO L225 Difference]: With dead ends: 105 [2018-10-24 12:27:58,089 INFO L226 Difference]: Without dead ends: 103 [2018-10-24 12:27:58,090 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 113 SyntacticMatches, 23 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2397 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=1215, Invalid=9915, Unknown=0, NotChecked=0, Total=11130 [2018-10-24 12:27:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-24 12:27:58,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 96. [2018-10-24 12:27:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-24 12:27:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2018-10-24 12:27:58,112 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 84 [2018-10-24 12:27:58,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:27:58,112 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2018-10-24 12:27:58,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-10-24 12:27:58,112 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2018-10-24 12:27:58,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-24 12:27:58,113 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 12:27:58,113 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 12:27:58,114 INFO L424 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 12:27:58,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 12:27:58,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1002277255, now seen corresponding path program 5 times [2018-10-24 12:27:58,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 12:27:58,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:27:58,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 12:27:58,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 12:27:58,115 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 12:27:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 12:27:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-24 12:27:58,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:27:58,655 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 12:27:58,655 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-24 12:27:58,656 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 12:27:58,656 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 12:27:58,656 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 12:27:58,676 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 12:27:58,676 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-24 12:27:59,065 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-24 12:27:59,065 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 12:27:59,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 12:27:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-24 12:27:59,197 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 12:27:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-24 12:27:59,392 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 12:27:59,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 23 [2018-10-24 12:27:59,392 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 12:27:59,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-24 12:27:59,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-24 12:27:59,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2018-10-24 12:27:59,393 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand 16 states. [2018-10-24 12:27:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 12:27:59,689 INFO L93 Difference]: Finished difference Result 165 states and 167 transitions. [2018-10-24 12:27:59,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 12:27:59,690 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 93 [2018-10-24 12:27:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 12:27:59,691 INFO L225 Difference]: With dead ends: 165 [2018-10-24 12:27:59,691 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 12:27:59,692 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2018-10-24 12:27:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 12:27:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 12:27:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 12:27:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 12:27:59,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2018-10-24 12:27:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 12:27:59,693 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 12:27:59,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-24 12:27:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 12:27:59,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 12:27:59,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 12:27:59,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 12:27:59,905 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2018-10-24 12:27:59,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 12:28:00,073 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2018-10-24 12:28:01,145 WARN L179 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2018-10-24 12:28:01,334 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 1 [2018-10-24 12:28:02,082 WARN L179 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 134 [2018-10-24 12:28:03,461 WARN L179 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 239 DAG size of output: 151 [2018-10-24 12:28:04,875 WARN L179 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 249 DAG size of output: 155 [2018-10-24 12:28:04,878 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-24 12:28:04,879 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-24 12:28:04,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-24 12:28:04,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 12:28:04,879 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-24 12:28:04,879 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-24 12:28:04,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 12:28:04,880 INFO L421 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (let ((.cse23 (+ main_~max~0 4294967295))) (let ((.cse9 (div .cse23 4294967296))) (let ((.cse8 (select |#memory_int| |main_~#str2~0.base|)) (.cse11 (* 4294967296 .cse9)) (.cse18 (= main_~i~0 0))) (let ((.cse10 (and (= 0 |main_~#str1~0.offset|) (let ((.cse24 (= main_~max~0 5))) (or (and (<= main_~max~0 5) (<= 4294967298 (+ main_~i~0 .cse11))) (and .cse24 .cse18) (and .cse24 (= main_~i~0 1)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))) (.cse17 (select .cse8 (+ |main_~#str2~0.offset| 3))) (.cse7 (select |#memory_int| |main_~#str1~0.base|)) (.cse16 (mod .cse23 4294967296))) (let ((.cse2 (and .cse10 (= .cse17 (select .cse7 (+ |main_~#str1~0.offset| .cse16 (- 3)))))) (.cse15 (- |main_~#str1~0.offset|)) (.cse19 (select .cse8 0))) (let ((.cse0 (= (select .cse7 (- (+ .cse15 (- 4)))) .cse19)) (.cse12 (select .cse7 (+ |main_~#str1~0.offset| main_~i~0 1))) (.cse20 (and .cse2 (exists ((v_main_~i~0_126 Int)) (and (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| v_main_~i~0_126 2)) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 2))) (<= (mod (+ main_~max~0 4294967295) 4294967296) (+ v_main_~i~0_126 4)) (<= v_main_~i~0_126 0))))) (.cse3 (= (select .cse7 (+ |main_~#str1~0.offset| .cse16 (- 1))) (select .cse8 (+ |main_~#str2~0.offset| 1)))) (.cse4 (= |main_#t~mem7| |main_#t~mem6|)) (.cse5 (<= 5 main_~max~0)) (.cse6 (= 0 |main_~#str2~0.offset|))) (or (and .cse0 (exists ((main_~max~0 Int) (v_main_~i~0_126 Int)) (let ((.cse1 (mod (+ main_~max~0 4294967295) 4294967296))) (and (<= main_~max~0 5) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| v_main_~i~0_126 2)) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 2))) (<= .cse1 2147483647) (= (+ main_~j~0 2) .cse1) (<= 5 main_~max~0) (<= .cse1 (+ v_main_~i~0_126 4)) (<= v_main_~i~0_126 0)))) .cse2 (= (+ main_~j~0 |main_~#str2~0.offset|) (+ |main_~#str1~0.offset| main_~i~0)) .cse3 .cse4 .cse5 .cse6) (and (= (select .cse7 1) (select .cse8 (+ |main_~#str1~0.offset| main_~max~0 (* (- 4294967296) .cse9) 4294967294))) .cse0 .cse3 .cse4 .cse10 (<= 3 main_~j~0) .cse6 (= (+ |main_~#str1~0.offset| main_~max~0 4294967295) (+ main_~i~0 main_~j~0 |main_~#str2~0.offset| .cse11)) (= (select .cse8 (+ |main_~#str2~0.offset| 2)) .cse12) (<= (+ |main_~#str1~0.offset| main_~j~0 .cse11) (+ main_~max~0 4294967294))) (and (exists ((main_~max~0 Int)) (let ((.cse13 (mod (+ main_~max~0 4294967295) 4294967296))) (and (<= .cse13 4) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse13)) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (<= .cse13 2147483647) (= main_~j~0 .cse13) (<= 4 .cse13)))) (exists ((main_~max~0 Int)) (let ((.cse14 (mod (+ main_~max~0 4294967295) 4294967296))) (and (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse14 (- 1))) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 1))) (<= .cse14 2147483647) (< .cse14 5) (= main_~j~0 .cse14) (<= 4 .cse14)))) (= (select .cse7 (- (+ .cse15 (- 2)))) (select .cse8 (+ (- (- 2)) |main_~#str2~0.offset|))) (and (= (select .cse7 (+ |main_~#str1~0.offset| .cse16 (- 4))) (select .cse8 (+ |main_~#str2~0.offset| 4))) .cse4 .cse10) .cse6 (= .cse17 .cse12) .cse18) (and (= (select .cse7 (- (+ .cse15 (+ (- main_~i~0) (- 1))))) .cse19) (<= main_~i~0 3) .cse20 .cse4 (exists ((main_~max~0 Int)) (let ((.cse21 (mod (+ main_~max~0 4294967295) 4294967296))) (and (= (+ main_~j~0 3) .cse21) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse21 (- 1))) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 1))) (<= .cse21 2147483647) (< .cse21 5) (<= 4 .cse21)))) .cse5 .cse6 (<= main_~max~0 (+ main_~i~0 2))) (and (exists ((main_~max~0 Int)) (let ((.cse22 (mod (+ main_~max~0 4294967295) 4294967296))) (and (= .cse22 (+ main_~j~0 4)) (<= .cse22 4) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse22)) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (<= .cse22 2147483647) (<= 4 .cse22)))) .cse20 .cse3 .cse4 .cse5 .cse6 (= main_~i~0 4))))))))) [2018-10-24 12:28:04,880 INFO L425 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-10-24 12:28:04,880 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 11 34) no Hoare annotation was computed. [2018-10-24 12:28:04,880 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 11 34) no Hoare annotation was computed. [2018-10-24 12:28:04,880 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 11 34) the Hoare annotation is: true [2018-10-24 12:28:04,880 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 30 33) no Hoare annotation was computed. [2018-10-24 12:28:04,880 INFO L425 ceAbstractionStarter]: For program point L30-3(lines 30 33) no Hoare annotation was computed. [2018-10-24 12:28:04,881 INFO L421 ceAbstractionStarter]: At program point L30-4(lines 30 33) the Hoare annotation is: (let ((.cse23 (+ main_~max~0 4294967295))) (let ((.cse8 (div .cse23 4294967296))) (let ((.cse7 (select |#memory_int| |main_~#str2~0.base|)) (.cse12 (* 4294967296 .cse8)) (.cse21 (= main_~i~0 0))) (let ((.cse11 (and (= 0 |main_~#str1~0.offset|) (let ((.cse24 (= main_~max~0 5))) (or (and (<= main_~max~0 5) (<= 4294967298 (+ main_~i~0 .cse12))) (and .cse24 .cse21) (and .cse24 (= main_~i~0 1)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))) (.cse20 (select .cse7 (+ |main_~#str2~0.offset| 3))) (.cse0 (select |#memory_int| |main_~#str1~0.base|)) (.cse18 (mod .cse23 4294967296))) (let ((.cse15 (and .cse11 (= .cse20 (select .cse0 (+ |main_~#str1~0.offset| .cse18 (- 3)))))) (.cse1 (- |main_~#str1~0.offset|)) (.cse2 (select .cse7 0))) (let ((.cse16 (+ main_~j~0 |main_~#str2~0.offset|)) (.cse9 (= (select .cse0 (- (+ .cse1 (- 4)))) .cse2)) (.cse13 (select .cse0 (+ |main_~#str1~0.offset| main_~i~0 1))) (.cse10 (= (select .cse0 (+ |main_~#str1~0.offset| .cse18 (- 1))) (select .cse7 (+ |main_~#str2~0.offset| 1)))) (.cse3 (and .cse15 (exists ((v_main_~i~0_126 Int)) (and (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| v_main_~i~0_126 2)) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 2))) (<= (mod (+ main_~max~0 4294967295) 4294967296) (+ v_main_~i~0_126 4)) (<= v_main_~i~0_126 0))))) (.cse5 (<= 5 main_~max~0)) (.cse6 (= 0 |main_~#str2~0.offset|))) (or (and (= (select .cse0 (- (+ .cse1 (+ (- main_~i~0) (- 1))))) .cse2) (<= main_~i~0 3) .cse3 (exists ((main_~max~0 Int)) (let ((.cse4 (mod (+ main_~max~0 4294967295) 4294967296))) (and (= (+ main_~j~0 3) .cse4) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse4 (- 1))) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 1))) (<= .cse4 2147483647) (< .cse4 5) (<= 4 .cse4)))) .cse5 .cse6 (<= main_~max~0 (+ main_~i~0 2))) (and (= (select .cse0 1) (select .cse7 (+ |main_~#str1~0.offset| main_~max~0 (* (- 4294967296) .cse8) 4294967294))) .cse9 .cse10 .cse11 (<= 3 main_~j~0) .cse6 (= (+ |main_~#str1~0.offset| main_~max~0 4294967295) (+ main_~i~0 main_~j~0 |main_~#str2~0.offset| .cse12)) (= (select .cse7 (+ |main_~#str2~0.offset| 2)) .cse13) (<= (+ |main_~#str1~0.offset| main_~j~0 .cse12) (+ main_~max~0 4294967294))) (and .cse9 (exists ((main_~max~0 Int) (v_main_~i~0_126 Int)) (let ((.cse14 (mod (+ main_~max~0 4294967295) 4294967296))) (and (<= main_~max~0 5) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| v_main_~i~0_126 2)) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 2))) (<= .cse14 2147483647) (= (+ main_~j~0 2) .cse14) (<= 5 main_~max~0) (<= .cse14 (+ v_main_~i~0_126 4)) (<= v_main_~i~0_126 0)))) .cse15 (= .cse16 (+ |main_~#str1~0.offset| main_~i~0)) .cse10 .cse5 .cse6) (and (or (and .cse10 .cse3 .cse9 .cse6) (and (not (= .cse16 0)) .cse10 .cse3 .cse9 .cse6)) .cse5 (= main_~i~0 5)) (and (exists ((main_~max~0 Int)) (let ((.cse17 (mod (+ main_~max~0 4294967295) 4294967296))) (and (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse17 (- 1))) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 1))) (<= .cse17 2147483647) (< .cse17 5) (= main_~j~0 .cse17) (<= 4 .cse17)))) (and (= (select .cse0 (+ |main_~#str1~0.offset| .cse18 (- 4))) (select .cse7 (+ |main_~#str2~0.offset| 4))) .cse11) (exists ((main_~max~0 Int)) (let ((.cse19 (mod (+ main_~max~0 4294967295) 4294967296))) (and (<= .cse19 4) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse19)) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (<= .cse19 2147483647) (= main_~j~0 .cse19) (<= 4 .cse19)))) (= (select .cse0 (- (+ .cse1 (- 2)))) (select .cse7 (+ (- (- 2)) |main_~#str2~0.offset|))) .cse6 (= .cse20 .cse13) .cse21) (and (exists ((main_~max~0 Int)) (let ((.cse22 (mod (+ main_~max~0 4294967295) 4294967296))) (and (= .cse22 (+ main_~j~0 4)) (<= .cse22 4) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| .cse22)) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (<= .cse22 2147483647) (<= 4 .cse22)))) .cse10 .cse3 .cse5 .cse6 (= main_~i~0 4))))))))) [2018-10-24 12:28:04,881 INFO L425 ceAbstractionStarter]: For program point L30-5(lines 30 33) no Hoare annotation was computed. [2018-10-24 12:28:04,881 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 27) no Hoare annotation was computed. [2018-10-24 12:28:04,881 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 27) no Hoare annotation was computed. [2018-10-24 12:28:04,881 INFO L421 ceAbstractionStarter]: At program point L24-4(lines 24 27) the Hoare annotation is: (let ((.cse5 (select |#memory_int| |main_~#str2~0.base|)) (.cse15 (+ main_~max~0 4294967295))) (let ((.cse11 (div .cse15 4294967296)) (.cse12 (mod .cse15 4294967296)) (.cse7 (select .cse5 (+ |main_~#str2~0.offset| 1))) (.cse3 (select |#memory_int| |main_~#str1~0.base|)) (.cse4 (- |main_~#str1~0.offset|)) (.cse14 (select .cse5 0))) (let ((.cse2 (= |main_~#str1~0.offset| 0)) (.cse0 (= (select .cse3 (- (+ .cse4 (- 4)))) .cse14)) (.cse1 (not (= |main_~#str1~0.base| |main_~#str2~0.base|))) (.cse16 (= (select .cse3 (+ |main_~#str1~0.offset| .cse12 (- 1))) .cse7)) (.cse8 (<= 5 main_~max~0)) (.cse9 (= 0 |main_~#str2~0.offset|)) (.cse10 (select .cse3 (+ |main_~#str1~0.offset| main_~i~0 1))) (.cse6 (* 4294967296 .cse11))) (or (and .cse0 .cse1 (= main_~j~0 4) .cse2 (= (select .cse3 (- (+ .cse4 (- 2)))) (select .cse5 (+ (- (- 2)) |main_~#str2~0.offset|))) (<= .cse6 4294967296) (= .cse7 (select .cse3 (+ |main_~#str1~0.offset| main_~i~0 3))) .cse8 .cse9 (= (select .cse5 (+ |main_~#str2~0.offset| 3)) .cse10) (= main_~i~0 0) (= (+ main_~max~0 4294967291) .cse6)) (and .cse1 (exists ((v_main_~i~0_126 Int)) (and (<= v_main_~i~0_126 (+ main_~i~0 1)) (= (select (select |#memory_int| |main_~#str1~0.base|) (+ |main_~#str1~0.offset| v_main_~i~0_126 2)) (select (select |#memory_int| |main_~#str2~0.base|) (+ |main_~#str2~0.offset| 2))) (<= (mod (+ main_~max~0 4294967295) 4294967296) (+ v_main_~i~0_126 4)))) (= .cse7 (select .cse3 (+ |main_~#str1~0.offset| main_~i~0 4))) (= main_~j~0 5) (= (select .cse5 (+ |main_~#str2~0.offset| 4)) .cse10) (= 0 |main_~#str1~0.offset|) (= (select .cse3 1) (select .cse5 (+ |main_~#str1~0.offset| main_~max~0 (* (- 4294967296) .cse11) 4294967294))) .cse0 (= (+ main_~i~0 5) .cse12) (= main_~max~0 5) .cse9) (and .cse1 (= |main_~#str2~0.offset| 0) (= 5 main_~max~0) (= main_~i~0 (+ |main_~#str1~0.offset| 4)) (= main_~j~0 0) (= main_~i~0 4)) (let ((.cse13 (+ |main_~#str1~0.offset| 1))) (and .cse1 (<= main_~j~0 .cse13) (<= main_~max~0 (+ main_~i~0 2)) (= (select .cse3 (- (+ .cse4 (+ (- main_~i~0) (- 1))))) .cse14) .cse2 (= 3 main_~i~0) .cse8 .cse9 (<= .cse13 main_~j~0))) (and (<= (+ main_~i~0 .cse6) 4294967298) .cse0 .cse1 (<= .cse15 (+ main_~i~0 main_~j~0 .cse6)) .cse2 .cse16 .cse8 (<= main_~j~0 2) .cse9) (and .cse0 .cse1 .cse16 (<= main_~i~0 1) .cse8 (<= 3 main_~j~0) .cse9 (= (+ |main_~#str1~0.offset| main_~max~0 4294967295) (+ main_~i~0 main_~j~0 |main_~#str2~0.offset| .cse6)) (= (select .cse5 (+ |main_~#str2~0.offset| 2)) .cse10) (<= main_~max~0 (+ main_~i~0 4)) (<= (+ |main_~#str1~0.offset| main_~j~0 .cse6) (+ main_~max~0 4294967294))))))) [2018-10-24 12:28:04,881 INFO L425 ceAbstractionStarter]: For program point L24-5(lines 24 27) no Hoare annotation was computed. [2018-10-24 12:28:04,881 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 18) no Hoare annotation was computed. [2018-10-24 12:28:04,881 INFO L425 ceAbstractionStarter]: For program point L16-3(lines 16 18) no Hoare annotation was computed. [2018-10-24 12:28:04,882 INFO L421 ceAbstractionStarter]: At program point L16-4(lines 16 18) the Hoare annotation is: (let ((.cse4 (and (<= main_~max~0 5) (<= 4294967298 (+ main_~i~0 (* 4294967296 (div (+ main_~max~0 4294967295) 4294967296)))))) (.cse6 (= main_~max~0 5)) (.cse0 (= 0 |main_~#str1~0.offset|)) (.cse3 (not (= |main_~#str1~0.base| |main_~#str2~0.base|))) (.cse2 (= |main_~#str2~0.offset| 0)) (.cse5 (= |main_~#str1~0.offset| 0)) (.cse7 (<= 5 main_~max~0))) (or (let ((.cse1 (+ main_~i~0 1))) (and .cse0 (<= main_~max~0 .cse1) .cse2 .cse3 (<= .cse1 main_~max~0) (= main_~i~0 4))) (and (<= (+ main_~i~0 3) main_~max~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 (= main_~i~0 5)) (and .cse2 .cse3 .cse4 .cse5 (= 3 main_~i~0) .cse7) (and .cse6 .cse0 (not (= |main_~#str2~0.base| 0)) .cse3 .cse2 (not (= |main_~#str1~0.base| 0)) (= main_~i~0 0)) (and .cse3 .cse2 .cse5 (<= main_~i~0 1) .cse7 (<= main_~max~0 (+ main_~i~0 4))))) [2018-10-24 12:28:04,882 INFO L425 ceAbstractionStarter]: For program point L16-5(lines 16 18) no Hoare annotation was computed. [2018-10-24 12:28:04,882 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-10-24 12:28:04,882 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-10-24 12:28:04,882 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-24 12:28:04,882 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-24 12:28:04,882 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-24 12:28:04,882 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-10-24 12:28:04,912 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,913 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,913 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,921 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,926 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,926 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,926 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,926 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,927 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,927 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,927 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,927 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,928 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,928 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,929 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,929 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,929 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,929 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,930 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,930 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,930 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,931 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,935 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,935 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,935 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,936 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,936 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,936 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,936 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,936 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,937 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,937 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,937 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,945 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,945 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,946 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,946 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,946 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,946 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,947 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,947 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,947 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,947 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,948 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,948 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,948 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,949 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,949 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,949 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,949 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,949 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,950 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,950 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,950 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,950 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,951 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,951 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,951 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,951 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,952 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,952 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,952 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,952 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,958 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,964 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,968 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,968 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,968 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,968 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,969 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,969 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,969 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,969 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,970 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,971 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,971 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,971 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,972 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,972 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,972 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,972 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,973 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,973 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,973 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,973 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,974 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,974 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,974 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,975 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,975 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,975 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,975 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,976 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,981 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,981 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,981 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,982 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,982 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,982 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,982 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,983 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,983 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,983 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,983 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,984 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,984 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,984 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,984 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,985 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,985 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,985 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,985 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,985 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,986 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,986 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,986 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,987 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,987 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,987 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,987 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,987 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,988 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,988 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,988 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,989 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,989 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,989 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,989 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,990 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,990 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,990 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,990 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,991 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,991 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,991 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,991 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,992 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,992 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,992 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,992 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,993 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,993 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,993 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,993 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,993 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,994 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,994 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,994 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,994 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,994 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,995 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:04,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:04,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:04,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,008 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,009 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,009 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,009 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,009 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,010 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,010 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,010 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,010 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,011 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,011 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,011 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,011 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,012 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,012 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,012 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,012 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,013 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,013 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,013 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,013 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,014 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,014 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,014 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,014 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,015 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,015 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,015 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,015 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,016 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,016 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,016 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,016 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,017 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,017 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,017 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,017 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,018 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,018 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,018 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,018 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,019 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,019 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,019 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,019 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,020 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,020 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,020 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,020 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,020 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,021 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,021 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,021 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,021 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,022 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,022 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,022 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,022 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:28:05 BoogieIcfgContainer [2018-10-24 12:28:05,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 12:28:05,026 INFO L168 Benchmark]: Toolchain (without parser) took 223014.46 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 886.0 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -340.4 MB). Peak memory consumption was 545.6 MB. Max. memory is 7.1 GB. [2018-10-24 12:28:05,027 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 12:28:05,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 12:28:05,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 12:28:05,028 INFO L168 Benchmark]: Boogie Preprocessor took 52.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 12:28:05,028 INFO L168 Benchmark]: RCFGBuilder took 723.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2018-10-24 12:28:05,028 INFO L168 Benchmark]: TraceAbstraction took 221809.79 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 132.6 MB). Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 447.6 MB). Peak memory consumption was 580.2 MB. Max. memory is 7.1 GB. [2018-10-24 12:28:05,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 356.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 723.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221809.79 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 132.6 MB). Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 447.6 MB). Peak memory consumption was 580.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (((((((((0 == str1 && max <= i + 1) && str2 == 0) && !(str1 == str2)) && i + 1 <= max) && i == 4) || ((((i + 3 <= max && str2 == 0) && !(str1 == str2)) && max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && str1 == 0)) || ((((max == 5 && 0 == str1) && str2 == 0) && !(str1 == str2)) && i == 5)) || (((((str2 == 0 && !(str1 == str2)) && max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && str1 == 0) && 3 == i) && 5 <= max)) || ((((((max == 5 && 0 == str1) && !(str2 == 0)) && !(str1 == str2)) && str2 == 0) && !(str1 == 0)) && i == 0)) || (((((!(str1 == str2) && str2 == 0) && str1 == 0) && i <= 1) && 5 <= max) && max <= i + 4) - InvariantResult [Line: 24]: Loop Invariant [2018-10-24 12:28:05,045 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,047 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,047 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,048 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,048 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,048 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,048 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,048 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,049 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,049 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,049 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,049 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,050 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,050 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,050 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,050 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,051 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,051 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,051 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,051 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,051 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,051 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,052 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,052 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,052 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,052 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,052 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,053 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,053 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,053 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,053 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,056 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,056 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,056 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,056 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,057 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,057 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,057 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,057 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,057 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,058 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,058 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,058 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,058 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,058 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,060 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,060 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,060 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,060 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,060 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,061 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,061 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,061 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,061 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,062 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,062 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0] && !(str1 == str2)) && j == 4) && str1 == 0) && unknown-#memory_int-unknown[str1][-(-str1 + -2)] == unknown-#memory_int-unknown[str2][--2 + str2]) && 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967296) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && 5 <= max) && 0 == str2) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && i == 0) && max + 4294967291 == 4294967296 * ((max + 4294967295) / 4294967296)) || ((((((((((!(str1 == str2) && (\exists v_main_~i~0_126 : int :: (v_main_~i~0_126 <= i + 1 && unknown-#memory_int-unknown[str1][str1 + v_main_~i~0_126 + 2] == unknown-#memory_int-unknown[str2][str2 + 2]) && (max + 4294967295) % 4294967296 <= v_main_~i~0_126 + 4)) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][str1 + i + 4]) && j == 5) && unknown-#memory_int-unknown[str2][str2 + 4] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && 0 == str1) && unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][str1 + max + -4294967296 * ((max + 4294967295) / 4294967296) + 4294967294]) && unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0]) && i + 5 == (max + 4294967295) % 4294967296) && max == 5) && 0 == str2)) || (((((!(str1 == str2) && str2 == 0) && 5 == max) && i == str1 + 4) && j == 0) && i == 4)) || ((((((((!(str1 == str2) && j <= str1 + 1) && max <= i + 2) && unknown-#memory_int-unknown[str1][-(-str1 + (-i + -1))] == unknown-#memory_int-unknown[str2][0]) && str1 == 0) && 3 == i) && 5 <= max) && 0 == str2) && str1 + 1 <= j)) || ((((((((i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967298 && unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0]) && !(str1 == str2)) && max + 4294967295 <= i + j + 4294967296 * ((max + 4294967295) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && 5 <= max) && j <= 2) && 0 == str2)) || ((((((((((unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0] && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && i <= 1) && 5 <= max) && 3 <= j) && 0 == str2) && str1 + max + 4294967295 == i + j + str2 + 4294967296 * ((max + 4294967295) / 4294967296)) && unknown-#memory_int-unknown[str2][str2 + 2] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && max <= i + 4) && str1 + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967294) - InvariantResult [Line: 30]: Loop Invariant [2018-10-24 12:28:05,063 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,067 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,067 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,067 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,067 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,068 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,068 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,068 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,068 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,069 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,069 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,069 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,069 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,070 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,070 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,070 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,070 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,071 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,071 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,071 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,071 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,072 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,072 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,072 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,072 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,073 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,073 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,073 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,074 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,075 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,075 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,075 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,075 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,075 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,076 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,076 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,076 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,076 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,077 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,077 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,077 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,077 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,077 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,078 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,078 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,078 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,078 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,078 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,079 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,079 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,079 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,079 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,080 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,080 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,080 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,080 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,080 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,081 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,081 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,081 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,081 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,082 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,082 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,082 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,082 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,082 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,083 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,083 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,083 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,083 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,083 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,084 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,084 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,084 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,084 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,084 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,084 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,085 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,085 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,085 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,085 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,085 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,086 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,086 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,086 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,086 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,090 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,090 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,090 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,090 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~max~0,QUANTIFIED] [2018-10-24 12:28:05,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_126,QUANTIFIED] [2018-10-24 12:28:05,098 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,098 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,098 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,098 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,099 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,099 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,099 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,099 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,100 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,100 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,100 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,100 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,100 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,101 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,101 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,101 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,101 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,101 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,102 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,102 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,102 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,102 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,103 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,103 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,103 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,103 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,103 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,104 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,104 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,104 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,104 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,104 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,105 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,105 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,105 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,105 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,106 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,106 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,106 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,106 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,106 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,107 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,107 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,107 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,107 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,108 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,108 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,108 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,108 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,108 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,108 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,109 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,109 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,109 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,109 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,109 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,110 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 12:28:05,110 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((unknown-#memory_int-unknown[str1][-(-str1 + (-i + -1))] == unknown-#memory_int-unknown[str2][0] && i <= 3) && (((0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -3]) && (\exists v_main_~i~0_126 : int :: (unknown-#memory_int-unknown[str1][str1 + v_main_~i~0_126 + 2] == unknown-#memory_int-unknown[str2][str2 + 2] && (max + 4294967295) % 4294967296 <= v_main_~i~0_126 + 4) && v_main_~i~0_126 <= 0)) && (\exists main_~max~0 : int :: (((j + 3 == (main_~max~0 + 4294967295) % 4294967296 && unknown-#memory_int-unknown[str1][str1 + (main_~max~0 + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && (main_~max~0 + 4294967295) % 4294967296 <= 2147483647) && (main_~max~0 + 4294967295) % 4294967296 < 5) && 4 <= (main_~max~0 + 4294967295) % 4294967296)) && 5 <= max) && 0 == str2) && max <= i + 2) || ((((((((unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][str1 + max + -4294967296 * ((max + 4294967295) / 4294967296) + 4294967294] && unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0]) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && (0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && 3 <= j) && 0 == str2) && str1 + max + 4294967295 == i + j + str2 + 4294967296 * ((max + 4294967295) / 4294967296)) && unknown-#memory_int-unknown[str2][str2 + 2] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && str1 + j + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967294)) || ((((((unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0] && (\exists main_~max~0 : int, v_main_~i~0_126 : int :: (((((main_~max~0 <= 5 && unknown-#memory_int-unknown[str1][str1 + v_main_~i~0_126 + 2] == unknown-#memory_int-unknown[str2][str2 + 2]) && (main_~max~0 + 4294967295) % 4294967296 <= 2147483647) && j + 2 == (main_~max~0 + 4294967295) % 4294967296) && 5 <= main_~max~0) && (main_~max~0 + 4294967295) % 4294967296 <= v_main_~i~0_126 + 4) && v_main_~i~0_126 <= 0)) && ((0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -3]) && j + str2 == str1 + i) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && 5 <= max) && 0 == str2)) || ((((((unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1] && (((0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -3]) && (\exists v_main_~i~0_126 : int :: (unknown-#memory_int-unknown[str1][str1 + v_main_~i~0_126 + 2] == unknown-#memory_int-unknown[str2][str2 + 2] && (max + 4294967295) % 4294967296 <= v_main_~i~0_126 + 4) && v_main_~i~0_126 <= 0)) && unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0]) && 0 == str2) || ((((!(j + str2 == 0) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && (((0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -3]) && (\exists v_main_~i~0_126 : int :: (unknown-#memory_int-unknown[str1][str1 + v_main_~i~0_126 + 2] == unknown-#memory_int-unknown[str2][str2 + 2] && (max + 4294967295) % 4294967296 <= v_main_~i~0_126 + 4) && v_main_~i~0_126 <= 0)) && unknown-#memory_int-unknown[str1][-(-str1 + -4)] == unknown-#memory_int-unknown[str2][0]) && 0 == str2)) && 5 <= max) && i == 5)) || (((((((\exists main_~max~0 : int :: (((unknown-#memory_int-unknown[str1][str1 + (main_~max~0 + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1] && (main_~max~0 + 4294967295) % 4294967296 <= 2147483647) && (main_~max~0 + 4294967295) % 4294967296 < 5) && j == (main_~max~0 + 4294967295) % 4294967296) && 4 <= (main_~max~0 + 4294967295) % 4294967296) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4] && (0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && (\exists main_~max~0 : int :: ((((main_~max~0 + 4294967295) % 4294967296 <= 4 && unknown-#memory_int-unknown[str1][str1 + (main_~max~0 + 4294967295) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && (main_~max~0 + 4294967295) % 4294967296 <= 2147483647) && j == (main_~max~0 + 4294967295) % 4294967296) && 4 <= (main_~max~0 + 4294967295) % 4294967296)) && unknown-#memory_int-unknown[str1][-(-str1 + -2)] == unknown-#memory_int-unknown[str2][--2 + str2]) && 0 == str2) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && i == 0)) || ((((((\exists main_~max~0 : int :: ((((main_~max~0 + 4294967295) % 4294967296 == j + 4 && (main_~max~0 + 4294967295) % 4294967296 <= 4) && unknown-#memory_int-unknown[str1][str1 + (main_~max~0 + 4294967295) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && (main_~max~0 + 4294967295) % 4294967296 <= 2147483647) && 4 <= (main_~max~0 + 4294967295) % 4294967296) && unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -1] == unknown-#memory_int-unknown[str2][str2 + 1]) && (((0 == str1 && (((max <= 5 && 4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) || (max == 5 && i == 0)) || (max == 5 && i == 1))) && !(str1 == str2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (max + 4294967295) % 4294967296 + -3]) && (\exists v_main_~i~0_126 : int :: (unknown-#memory_int-unknown[str1][str1 + v_main_~i~0_126 + 2] == unknown-#memory_int-unknown[str2][str2 + 2] && (max + 4294967295) % 4294967296 <= v_main_~i~0_126 + 4) && v_main_~i~0_126 <= 0)) && 5 <= max) && 0 == str2) && i == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. SAFE Result, 221.5s OverallTime, 16 OverallIterations, 8 TraceHistogramMax, 60.3s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 474 SDtfs, 1007 SDslu, 5588 SDs, 0 SdLazy, 10160 SolverSat, 913 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1764 GetRequests, 995 SyntacticMatches, 55 SemanticMatches, 714 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 12316 ImplicationChecksByTransitivity, 103.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.85 AbsIntWeakeningRatio, 2.15 AbsIntAvgWeakeningVarsNumRemoved, 1.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 149 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 32 PreInvPairs, 55 NumberOfFragments, 2626 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2817155 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1069528 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 151.6s InterpolantComputationTime, 1411 NumberOfCodeBlocks, 1399 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2047 ConstructedInterpolants, 164 QuantifiedInterpolants, 3104165 SizeOfPredicates, 369 NumberOfNonLiveVariables, 3669 ConjunctsInSsa, 867 ConjunctsInUnsatCore, 42 InterpolantComputations, 2 PerfectInterpolantSequences, 1344/3077 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...