java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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/vogal_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 10:26:40,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 10:26:40,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 10:26:40,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 10:26:40,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 10:26:40,023 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 10:26:40,025 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 10:26:40,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 10:26:40,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 10:26:40,033 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 10:26:40,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 10:26:40,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 10:26:40,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 10:26:40,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 10:26:40,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 10:26:40,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 10:26:40,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 10:26:40,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 10:26:40,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 10:26:40,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 10:26:40,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 10:26:40,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 10:26:40,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 10:26:40,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 10:26:40,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 10:26:40,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 10:26:40,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 10:26:40,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 10:26:40,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 10:26:40,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 10:26:40,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 10:26:40,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 10:26:40,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 10:26:40,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 10:26:40,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 10:26:40,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 10:26:40,076 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 10:26:40,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 10:26:40,112 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 10:26:40,113 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 10:26:40,113 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 10:26:40,113 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 10:26:40,113 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 10:26:40,113 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 10:26:40,114 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 10:26:40,114 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 10:26:40,114 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 10:26:40,114 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 10:26:40,114 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 10:26:40,115 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 10:26:40,115 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 10:26:40,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 10:26:40,116 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 10:26:40,116 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 10:26:40,116 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 10:26:40,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 10:26:40,117 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 10:26:40,117 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 10:26:40,117 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 10:26:40,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 10:26:40,118 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 10:26:40,118 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 10:26:40,118 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 10:26:40,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 10:26:40,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 10:26:40,119 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 10:26:40,119 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 10:26:40,119 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 10:26:40,119 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 10:26:40,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 10:26:40,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 10:26:40,120 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 10:26:40,120 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 10:26:40,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 10:26:40,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 10:26:40,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 10:26:40,211 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 10:26:40,211 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 10:26:40,212 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-11-07 10:26:40,271 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9748cd1/e58f94933fac414f997b1a88afa57119/FLAGa5a7794fc [2018-11-07 10:26:40,689 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 10:26:40,689 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-11-07 10:26:40,696 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9748cd1/e58f94933fac414f997b1a88afa57119/FLAGa5a7794fc [2018-11-07 10:26:40,716 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9748cd1/e58f94933fac414f997b1a88afa57119 [2018-11-07 10:26:40,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 10:26:40,732 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 10:26:40,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 10:26:40,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 10:26:40,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 10:26:40,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:26:40" (1/1) ... [2018-11-07 10:26:40,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505a51cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:40, skipping insertion in model container [2018-11-07 10:26:40,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:26:40" (1/1) ... [2018-11-07 10:26:40,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 10:26:40,788 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 10:26:40,998 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:26:41,002 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 10:26:41,043 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:26:41,072 INFO L193 MainTranslator]: Completed translation [2018-11-07 10:26:41,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41 WrapperNode [2018-11-07 10:26:41,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 10:26:41,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 10:26:41,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 10:26:41,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 10:26:41,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 10:26:41,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 10:26:41,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 10:26:41,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 10:26:41,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... [2018-11-07 10:26:41,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 10:26:41,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 10:26:41,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 10:26:41,137 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 10:26:41,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 10:26:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-07 10:26:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 10:26:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 10:26:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-07 10:26:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 10:26:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 10:26:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 10:26:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 10:26:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-07 10:26:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 10:26:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 10:26:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-07 10:26:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-07 10:26:41,845 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 10:26:41,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:26:41 BoogieIcfgContainer [2018-11-07 10:26:41,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 10:26:41,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 10:26:41,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 10:26:41,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 10:26:41,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:26:40" (1/3) ... [2018-11-07 10:26:41,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747ddcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:26:41, skipping insertion in model container [2018-11-07 10:26:41,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:26:41" (2/3) ... [2018-11-07 10:26:41,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747ddcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:26:41, skipping insertion in model container [2018-11-07 10:26:41,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:26:41" (3/3) ... [2018-11-07 10:26:41,854 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-11-07 10:26:41,865 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 10:26:41,873 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 10:26:41,889 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 10:26:41,926 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 10:26:41,926 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 10:26:41,926 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 10:26:41,926 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 10:26:41,927 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 10:26:41,927 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 10:26:41,927 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 10:26:41,927 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 10:26:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-11-07 10:26:41,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-07 10:26:41,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:41,956 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:41,959 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:41,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1323688101, now seen corresponding path program 1 times [2018-11-07 10:26:41,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:42,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:42,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:42,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:42,015 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:26:42,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:26:42,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 10:26:42,156 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:26:42,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 10:26:42,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 10:26:42,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 10:26:42,181 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-11-07 10:26:42,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:42,212 INFO L93 Difference]: Finished difference Result 108 states and 135 transitions. [2018-11-07 10:26:42,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 10:26:42,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-11-07 10:26:42,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:42,223 INFO L225 Difference]: With dead ends: 108 [2018-11-07 10:26:42,223 INFO L226 Difference]: Without dead ends: 55 [2018-11-07 10:26:42,228 INFO L604 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 [2018-11-07 10:26:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-07 10:26:42,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-07 10:26:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-07 10:26:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2018-11-07 10:26:42,277 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 31 [2018-11-07 10:26:42,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:42,278 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2018-11-07 10:26:42,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 10:26:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-11-07 10:26:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-07 10:26:42,280 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:42,281 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:42,282 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:42,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:42,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2137456514, now seen corresponding path program 1 times [2018-11-07 10:26:42,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:42,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:42,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:42,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:42,285 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:26:42,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:26:42,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 10:26:42,474 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:26:42,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 10:26:42,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 10:26:42,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 10:26:42,477 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 3 states. [2018-11-07 10:26:42,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:42,802 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2018-11-07 10:26:42,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 10:26:42,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-07 10:26:42,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:42,810 INFO L225 Difference]: With dead ends: 112 [2018-11-07 10:26:42,812 INFO L226 Difference]: Without dead ends: 81 [2018-11-07 10:26:42,814 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 10:26:42,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-07 10:26:42,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 57. [2018-11-07 10:26:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-07 10:26:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-11-07 10:26:42,834 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 37 [2018-11-07 10:26:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:42,834 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-11-07 10:26:42,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 10:26:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-11-07 10:26:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-07 10:26:42,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:42,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:42,836 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:42,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:42,837 INFO L82 PathProgramCache]: Analyzing trace with hash -495618163, now seen corresponding path program 1 times [2018-11-07 10:26:42,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:42,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:42,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:42,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:42,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:26:43,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:43,031 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:43,032 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-11-07 10:26:43,034 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [51], [55], [58], [86], [90], [92], [95], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:26:43,072 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:26:43,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:26:43,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 10:26:43,311 INFO L272 AbstractInterpreter]: Visited 40 different actions 52 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 10:26:43,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:43,341 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 10:26:43,482 INFO L227 lantSequenceWeakener]: Weakened 39 states. On average, predicates are now at 68.74% of their original sizes. [2018-11-07 10:26:43,482 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 10:26:43,669 INFO L415 sIntCurrentIteration]: We unified 41 AI predicates to 41 [2018-11-07 10:26:43,670 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 10:26:43,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 10:26:43,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2018-11-07 10:26:43,671 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:26:43,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 10:26:43,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 10:26:43,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-07 10:26:43,673 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 11 states. [2018-11-07 10:26:45,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:45,905 INFO L93 Difference]: Finished difference Result 174 states and 211 transitions. [2018-11-07 10:26:45,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 10:26:45,905 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2018-11-07 10:26:45,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:45,915 INFO L225 Difference]: With dead ends: 174 [2018-11-07 10:26:45,915 INFO L226 Difference]: Without dead ends: 143 [2018-11-07 10:26:45,917 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2018-11-07 10:26:45,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-07 10:26:45,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 83. [2018-11-07 10:26:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-07 10:26:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-07 10:26:45,936 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 42 [2018-11-07 10:26:45,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:45,938 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-07 10:26:45,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 10:26:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-07 10:26:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-07 10:26:45,940 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:45,940 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:45,941 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:45,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:45,941 INFO L82 PathProgramCache]: Analyzing trace with hash -752884382, now seen corresponding path program 1 times [2018-11-07 10:26:45,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:45,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:45,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:45,944 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-07 10:26:46,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:46,080 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:46,080 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-11-07 10:26:46,081 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [51], [55], [58], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:26:46,087 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:26:46,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:26:46,196 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:26:46,197 INFO L272 AbstractInterpreter]: Visited 50 different actions 106 times. Merged at 17 different actions 43 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 29 variables. [2018-11-07 10:26:46,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:46,238 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:26:46,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:46,238 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t: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 [2018-11-07 10:26:46,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:46,260 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:26:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:46,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:46,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-07 10:26:46,642 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 11 treesize of output 3 [2018-11-07 10:26:46,643 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:46,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:46,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:46,651 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-07 10:26:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 10:26:46,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:46,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2018-11-07 10:26:46,898 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 16 treesize of output 11 [2018-11-07 10:26:46,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:46,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:46,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:46,906 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-11-07 10:26:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 10:26:46,970 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 10:26:46,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [4] total 14 [2018-11-07 10:26:46,971 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:26:46,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 10:26:46,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 10:26:46,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-07 10:26:46,973 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 8 states. [2018-11-07 10:26:47,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:47,524 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2018-11-07 10:26:47,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 10:26:47,524 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2018-11-07 10:26:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:47,525 INFO L225 Difference]: With dead ends: 112 [2018-11-07 10:26:47,526 INFO L226 Difference]: Without dead ends: 80 [2018-11-07 10:26:47,527 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2018-11-07 10:26:47,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-07 10:26:47,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-07 10:26:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-07 10:26:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2018-11-07 10:26:47,538 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 54 [2018-11-07 10:26:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:47,538 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2018-11-07 10:26:47,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 10:26:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2018-11-07 10:26:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-07 10:26:47,540 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:47,541 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:47,541 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:47,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:47,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1201571152, now seen corresponding path program 1 times [2018-11-07 10:26:47,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:47,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:47,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:47,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:47,543 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 10:26:47,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:47,676 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:47,676 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2018-11-07 10:26:47,676 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [78], [82], [86], [90], [92], [95], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:26:47,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:26:47,679 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:26:47,782 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:26:47,782 INFO L272 AbstractInterpreter]: Visited 51 different actions 136 times. Merged at 25 different actions 68 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 6 different actions. Largest state had 30 variables. [2018-11-07 10:26:47,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:47,811 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:26:47,811 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:47,811 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:26:47,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:47,834 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:26:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:47,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:48,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-07 10:26:48,050 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 12 treesize of output 4 [2018-11-07 10:26:48,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:48,072 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:48,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:48,080 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-11-07 10:26:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 10:26:48,114 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:48,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2018-11-07 10:26:48,219 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 16 treesize of output 11 [2018-11-07 10:26:48,220 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:48,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:48,227 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:48,228 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-11-07 10:26:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 10:26:48,301 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:26:48,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 7] total 14 [2018-11-07 10:26:48,301 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:26:48,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 10:26:48,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 10:26:48,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-07 10:26:48,302 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand 10 states. [2018-11-07 10:26:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:48,852 INFO L93 Difference]: Finished difference Result 220 states and 265 transitions. [2018-11-07 10:26:48,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-07 10:26:48,853 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-07 10:26:48,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:48,855 INFO L225 Difference]: With dead ends: 220 [2018-11-07 10:26:48,855 INFO L226 Difference]: Without dead ends: 166 [2018-11-07 10:26:48,856 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2018-11-07 10:26:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-07 10:26:48,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 88. [2018-11-07 10:26:48,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-07 10:26:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2018-11-07 10:26:48,869 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 56 [2018-11-07 10:26:48,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:48,870 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2018-11-07 10:26:48,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 10:26:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2018-11-07 10:26:48,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-07 10:26:48,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:48,872 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:48,872 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:48,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:48,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1895407758, now seen corresponding path program 1 times [2018-11-07 10:26:48,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:48,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:48,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:48,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:48,874 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 10:26:48,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:48,985 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:48,986 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 63 with the following transitions: [2018-11-07 10:26:48,986 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:26:48,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:26:48,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:26:49,079 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:26:49,080 INFO L272 AbstractInterpreter]: Visited 51 different actions 136 times. Merged at 25 different actions 66 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 6 different actions. Largest state had 30 variables. [2018-11-07 10:26:49,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:49,121 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:26:49,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:49,121 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:26:49,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:49,136 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:26:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:49,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-07 10:26:49,450 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 10:26:49,509 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:26:49,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 9 [2018-11-07 10:26:49,510 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:26:49,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 10:26:49,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 10:26:49,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-07 10:26:49,511 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand 7 states. [2018-11-07 10:26:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:50,120 INFO L93 Difference]: Finished difference Result 456 states and 573 transitions. [2018-11-07 10:26:50,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 10:26:50,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-07 10:26:50,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:50,128 INFO L225 Difference]: With dead ends: 456 [2018-11-07 10:26:50,128 INFO L226 Difference]: Without dead ends: 399 [2018-11-07 10:26:50,129 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-07 10:26:50,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-07 10:26:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 125. [2018-11-07 10:26:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-07 10:26:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 141 transitions. [2018-11-07 10:26:50,177 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 141 transitions. Word has length 62 [2018-11-07 10:26:50,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:50,183 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 141 transitions. [2018-11-07 10:26:50,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 10:26:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 141 transitions. [2018-11-07 10:26:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-07 10:26:50,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:50,188 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:50,188 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:50,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:50,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1442355975, now seen corresponding path program 1 times [2018-11-07 10:26:50,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:50,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:50,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:50,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:50,190 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 10:26:50,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:50,495 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:50,496 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2018-11-07 10:26:50,496 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:26:50,499 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:26:50,499 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:26:50,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:26:50,651 INFO L272 AbstractInterpreter]: Visited 52 different actions 168 times. Merged at 26 different actions 83 times. Widened at 2 different actions 2 times. Found 17 fixpoints after 8 different actions. Largest state had 30 variables. [2018-11-07 10:26:50,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:50,677 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:26:50,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:50,678 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:26:50,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:50,694 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:26:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:50,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-07 10:26:50,904 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 10:26:51,031 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:26:51,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 11 [2018-11-07 10:26:51,032 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:26:51,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 10:26:51,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 10:26:51,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-07 10:26:51,034 INFO L87 Difference]: Start difference. First operand 125 states and 141 transitions. Second operand 8 states. [2018-11-07 10:26:52,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:52,377 INFO L93 Difference]: Finished difference Result 575 states and 695 transitions. [2018-11-07 10:26:52,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 10:26:52,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2018-11-07 10:26:52,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:52,383 INFO L225 Difference]: With dead ends: 575 [2018-11-07 10:26:52,384 INFO L226 Difference]: Without dead ends: 495 [2018-11-07 10:26:52,385 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-11-07 10:26:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-07 10:26:52,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 149. [2018-11-07 10:26:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-07 10:26:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 169 transitions. [2018-11-07 10:26:52,414 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 169 transitions. Word has length 73 [2018-11-07 10:26:52,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:52,414 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 169 transitions. [2018-11-07 10:26:52,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 10:26:52,415 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2018-11-07 10:26:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-07 10:26:52,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:52,417 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:52,417 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:52,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:52,418 INFO L82 PathProgramCache]: Analyzing trace with hash 268283823, now seen corresponding path program 2 times [2018-11-07 10:26:52,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:52,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:52,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:52,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:52,419 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 10:26:52,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:52,541 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:52,541 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:26:52,541 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:26:52,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:52,542 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:26:52,556 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 10:26:52,556 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 10:26:52,676 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 10:26:52,677 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 10:26:52,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-07 10:26:52,738 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-07 10:26:52,809 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:26:52,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 10:26:52,809 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:26:52,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 10:26:52,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 10:26:52,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-07 10:26:52,810 INFO L87 Difference]: Start difference. First operand 149 states and 169 transitions. Second operand 9 states. [2018-11-07 10:26:53,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:53,600 INFO L93 Difference]: Finished difference Result 561 states and 671 transitions. [2018-11-07 10:26:53,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 10:26:53,601 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-11-07 10:26:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:53,606 INFO L225 Difference]: With dead ends: 561 [2018-11-07 10:26:53,606 INFO L226 Difference]: Without dead ends: 457 [2018-11-07 10:26:53,608 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2018-11-07 10:26:53,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-07 10:26:53,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 179. [2018-11-07 10:26:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-07 10:26:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions. [2018-11-07 10:26:53,633 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 79 [2018-11-07 10:26:53,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:53,633 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 204 transitions. [2018-11-07 10:26:53,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 10:26:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2018-11-07 10:26:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-07 10:26:53,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:53,635 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:53,636 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:53,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:53,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1635169766, now seen corresponding path program 3 times [2018-11-07 10:26:53,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:53,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:53,637 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 10:26:53,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:53,637 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 10:26:54,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:54,338 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:54,338 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:26:54,339 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:26:54,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:54,339 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:26:54,347 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-07 10:26:54,347 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-07 10:26:54,394 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-07 10:26:54,395 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 10:26:54,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:54,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-07 10:26:54,790 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 12 treesize of output 4 [2018-11-07 10:26:54,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:54,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:54,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:54,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-11-07 10:26:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-07 10:26:54,904 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:55,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-11-07 10:26:55,020 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 18 treesize of output 13 [2018-11-07 10:26:55,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:55,031 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:55,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:55,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:9 [2018-11-07 10:26:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 10:26:55,115 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:26:55,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 9] total 22 [2018-11-07 10:26:55,115 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:26:55,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-07 10:26:55,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-07 10:26:55,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2018-11-07 10:26:55,116 INFO L87 Difference]: Start difference. First operand 179 states and 204 transitions. Second operand 16 states. [2018-11-07 10:26:57,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:26:57,841 INFO L93 Difference]: Finished difference Result 966 states and 1158 transitions. [2018-11-07 10:26:57,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-07 10:26:57,842 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2018-11-07 10:26:57,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:26:57,846 INFO L225 Difference]: With dead ends: 966 [2018-11-07 10:26:57,846 INFO L226 Difference]: Without dead ends: 838 [2018-11-07 10:26:57,848 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=300, Invalid=2150, Unknown=0, NotChecked=0, Total=2450 [2018-11-07 10:26:57,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-11-07 10:26:57,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 346. [2018-11-07 10:26:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-11-07 10:26:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 401 transitions. [2018-11-07 10:26:57,892 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 401 transitions. Word has length 88 [2018-11-07 10:26:57,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:26:57,893 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 401 transitions. [2018-11-07 10:26:57,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-07 10:26:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 401 transitions. [2018-11-07 10:26:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 10:26:57,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:26:57,895 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:26:57,896 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:26:57,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:57,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2007371397, now seen corresponding path program 1 times [2018-11-07 10:26:57,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:26:57,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:57,897 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 10:26:57,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:26:57,898 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:26:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-07 10:26:58,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:58,261 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:26:58,261 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-11-07 10:26:58,261 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [78], [82], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:26:58,263 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:26:58,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:26:58,374 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:26:58,375 INFO L272 AbstractInterpreter]: Visited 60 different actions 198 times. Merged at 34 different actions 107 times. Widened at 2 different actions 2 times. Found 14 fixpoints after 9 different actions. Largest state had 34 variables. [2018-11-07 10:26:58,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:26:58,415 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:26:58,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:26:58,415 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:26:58,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:26:58,427 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:26:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:26:58,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:26:58,876 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 26 treesize of output 26 [2018-11-07 10:26:58,881 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 11 treesize of output 3 [2018-11-07 10:26:58,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:58,888 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:58,890 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:26:58,890 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 10:26:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 25 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-07 10:26:58,975 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:26:59,327 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 32 treesize of output 32 [2018-11-07 10:26:59,373 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 59 [2018-11-07 10:26:59,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2018-11-07 10:26:59,737 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 1 case distinctions, treesize of input 27 treesize of output 27 [2018-11-07 10:26:59,739 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-07 10:26:59,770 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 15 treesize of output 14 [2018-11-07 10:26:59,771 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 10:26:59,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:26:59,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:26:59,823 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:37 [2018-11-07 10:26:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 29 proven. 20 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-07 10:26:59,930 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:26:59,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 11] total 25 [2018-11-07 10:26:59,930 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:26:59,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 10:26:59,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 10:26:59,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2018-11-07 10:26:59,935 INFO L87 Difference]: Start difference. First operand 346 states and 401 transitions. Second operand 17 states. [2018-11-07 10:27:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:27:02,598 INFO L93 Difference]: Finished difference Result 2067 states and 2439 transitions. [2018-11-07 10:27:02,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 10:27:02,598 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 126 [2018-11-07 10:27:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:27:02,606 INFO L225 Difference]: With dead ends: 2067 [2018-11-07 10:27:02,606 INFO L226 Difference]: Without dead ends: 1757 [2018-11-07 10:27:02,608 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2018-11-07 10:27:02,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2018-11-07 10:27:02,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 451. [2018-11-07 10:27:02,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-11-07 10:27:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 523 transitions. [2018-11-07 10:27:02,668 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 523 transitions. Word has length 126 [2018-11-07 10:27:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:27:02,669 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 523 transitions. [2018-11-07 10:27:02,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 10:27:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 523 transitions. [2018-11-07 10:27:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 10:27:02,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:27:02,671 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:27:02,671 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:27:02,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:27:02,672 INFO L82 PathProgramCache]: Analyzing trace with hash -361250674, now seen corresponding path program 1 times [2018-11-07 10:27:02,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:27:02,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:27:02,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:27:02,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:27:02,673 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:27:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:27:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 70 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-07 10:27:02,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:27:02,939 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:27:02,939 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-07 10:27:02,939 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [78], [82], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:27:02,941 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:27:02,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:27:03,059 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:27:03,059 INFO L272 AbstractInterpreter]: Visited 61 different actions 232 times. Merged at 35 different actions 127 times. Widened at 3 different actions 4 times. Found 25 fixpoints after 11 different actions. Largest state had 35 variables. [2018-11-07 10:27:03,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:27:03,096 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:27:03,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:27:03,097 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:27:03,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:27:03,116 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:27:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:27:03,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:27:03,668 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 26 treesize of output 26 [2018-11-07 10:27:03,676 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 22 treesize of output 15 [2018-11-07 10:27:03,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:03,697 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 15 treesize of output 8 [2018-11-07 10:27:03,697 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:03,717 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 18 treesize of output 3 [2018-11-07 10:27:03,718 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:03,726 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:03,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:03,728 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 10:27:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 10:27:03,798 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:27:04,014 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 34 treesize of output 34 [2018-11-07 10:27:04,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-07 10:27:04,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 10:27:04,051 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 17 treesize of output 16 [2018-11-07 10:27:04,051 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:04,112 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 65 [2018-11-07 10:27:04,118 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 7 xjuncts. [2018-11-07 10:27:04,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:27:04,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:27:04,216 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 10:27:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 44 proven. 47 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-07 10:27:04,384 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:27:04,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 13] total 31 [2018-11-07 10:27:04,386 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:27:04,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 10:27:04,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 10:27:04,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2018-11-07 10:27:04,387 INFO L87 Difference]: Start difference. First operand 451 states and 523 transitions. Second operand 21 states. [2018-11-07 10:27:05,666 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 10:27:07,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:27:07,335 INFO L93 Difference]: Finished difference Result 1701 states and 2027 transitions. [2018-11-07 10:27:07,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-07 10:27:07,336 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 131 [2018-11-07 10:27:07,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:27:07,342 INFO L225 Difference]: With dead ends: 1701 [2018-11-07 10:27:07,342 INFO L226 Difference]: Without dead ends: 1318 [2018-11-07 10:27:07,345 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=377, Invalid=2593, Unknown=0, NotChecked=0, Total=2970 [2018-11-07 10:27:07,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2018-11-07 10:27:07,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 747. [2018-11-07 10:27:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-11-07 10:27:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 867 transitions. [2018-11-07 10:27:07,480 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 867 transitions. Word has length 131 [2018-11-07 10:27:07,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:27:07,481 INFO L480 AbstractCegarLoop]: Abstraction has 747 states and 867 transitions. [2018-11-07 10:27:07,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 10:27:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 867 transitions. [2018-11-07 10:27:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 10:27:07,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:27:07,484 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:27:07,484 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:27:07,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:27:07,484 INFO L82 PathProgramCache]: Analyzing trace with hash -384725650, now seen corresponding path program 2 times [2018-11-07 10:27:07,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:27:07,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:27:07,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:27:07,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:27:07,486 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:27:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:27:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-07 10:27:08,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:27:08,208 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:27:08,209 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:27:08,209 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:27:08,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:27:08,209 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:27:08,223 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 10:27:08,224 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 10:27:08,656 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-07 10:27:08,656 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 10:27:08,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:27:08,671 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 6 treesize of output 5 [2018-11-07 10:27:08,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,677 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-07 10:27:08,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,729 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-07 10:27:08,730 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,737 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,737 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-07 10:27:08,784 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 11 treesize of output 8 [2018-11-07 10:27:08,789 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 8 treesize of output 7 [2018-11-07 10:27:08,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,806 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-07 10:27:08,837 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 21 treesize of output 16 [2018-11-07 10:27:08,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-11-07 10:27:08,848 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,859 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,871 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-07 10:27:08,908 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 30 treesize of output 23 [2018-11-07 10:27:08,914 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,916 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,941 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,957 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,959 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:08,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-11-07 10:27:08,960 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:08,989 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-07 10:27:09,028 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 39 treesize of output 30 [2018-11-07 10:27:09,032 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,033 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,033 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,034 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,035 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,036 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,037 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,039 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,041 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,042 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,043 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-11-07 10:27:09,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,090 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-11-07 10:27:09,126 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 48 treesize of output 37 [2018-11-07 10:27:09,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,160 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,163 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,166 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,167 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,170 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,171 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 244 [2018-11-07 10:27:09,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,239 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2018-11-07 10:27:09,285 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 57 treesize of output 44 [2018-11-07 10:27:09,325 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,367 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,371 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 30 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 363 [2018-11-07 10:27:09,378 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,493 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2018-11-07 10:27:09,543 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 66 treesize of output 51 [2018-11-07 10:27:09,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,554 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,555 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,556 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,557 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,558 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,559 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,561 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,562 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,563 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,564 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,565 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,566 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,567 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,570 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,571 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,572 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,573 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,574 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,578 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,580 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,581 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,582 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,584 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,588 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,590 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 42 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 506 [2018-11-07 10:27:09,595 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:09,800 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2018-11-07 10:27:09,858 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 75 treesize of output 58 [2018-11-07 10:27:09,862 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,884 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,888 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,890 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,891 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,891 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,892 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,893 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,894 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,895 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,897 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,898 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,899 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,900 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,901 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,903 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,904 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,906 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,907 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,915 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,916 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,916 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,917 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,918 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,920 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,921 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,922 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,923 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,924 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,925 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,929 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,930 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,931 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,933 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,934 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,937 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,939 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,951 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:09,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 56 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 673 [2018-11-07 10:27:09,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:10,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:10,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:10,158 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2018-11-07 10:27:10,224 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 84 treesize of output 65 [2018-11-07 10:27:10,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,229 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,231 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,233 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,236 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,238 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,239 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,241 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,245 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,248 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,252 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,253 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,257 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,261 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,263 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,266 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,269 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,337 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,367 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,371 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,372 INFO L303 Elim1Store]: Index analysis took 146 ms [2018-11-07 10:27:10,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 72 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 864 [2018-11-07 10:27:10,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:10,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:10,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:10,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2018-11-07 10:27:10,738 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 93 treesize of output 72 [2018-11-07 10:27:10,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,744 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,753 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,757 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,758 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,759 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,760 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,764 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,768 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,769 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,771 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,772 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,782 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,783 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,784 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,785 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,787 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,788 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,789 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,790 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,792 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,793 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,794 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,795 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,797 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,798 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,799 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,800 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,801 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,807 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,808 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,814 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,824 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,826 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,827 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,829 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,830 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,831 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,833 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,834 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:10,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 90 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 1079 [2018-11-07 10:27:10,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:11,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:11,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:11,349 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2018-11-07 10:27:11,427 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 102 treesize of output 79 [2018-11-07 10:27:11,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,441 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,442 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,444 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,445 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,446 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,454 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,455 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,456 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,461 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,466 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,473 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,483 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,492 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,493 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,496 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,501 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,502 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,503 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,508 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,509 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,512 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,516 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,517 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,518 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,519 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,520 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,523 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,524 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,525 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,527 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,528 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,531 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,535 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,536 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,537 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,540 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,541 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,543 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,544 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,554 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,555 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:11,556 INFO L303 Elim1Store]: Index analysis took 122 ms [2018-11-07 10:27:11,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 110 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 1318 [2018-11-07 10:27:11,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,084 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2018-11-07 10:27:12,324 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 113 treesize of output 114 [2018-11-07 10:27:12,329 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 12 treesize of output 11 [2018-11-07 10:27:12,329 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:27:12,609 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 113 treesize of output 114 [2018-11-07 10:27:12,613 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 12 treesize of output 11 [2018-11-07 10:27:12,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:27:12,823 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 113 treesize of output 114 [2018-11-07 10:27:12,827 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 12 treesize of output 11 [2018-11-07 10:27:12,827 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,859 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:12,903 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:27:13,091 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 113 treesize of output 114 [2018-11-07 10:27:13,095 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 12 treesize of output 11 [2018-11-07 10:27:13,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:13,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:13,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:13,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:27:13,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:27:13,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 111 treesize of output 123 [2018-11-07 10:27:13,226 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 22 treesize of output 18 [2018-11-07 10:27:13,226 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:27:13,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:13,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:27:13,298 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:121, output treesize:113 [2018-11-07 10:27:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 50 proven. 51 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-07 10:27:15,404 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:27:52,718 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-11-07 10:27:58,093 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-07 10:28:14,792 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-11-07 10:28:33,408 WARN L179 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2018-11-07 10:28:33,459 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 268 treesize of output 241 [2018-11-07 10:28:33,566 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 235 treesize of output 223 [2018-11-07 10:28:33,593 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:33,609 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:33,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 207 [2018-11-07 10:28:33,637 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:33,650 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:33,663 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:33,673 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:33,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 225 [2018-11-07 10:28:33,675 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:33,874 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:34,000 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:34,011 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 10:28:34,012 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:34,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 169 [2018-11-07 10:28:34,101 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,102 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,110 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,122 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,133 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 169 treesize of output 204 [2018-11-07 10:28:34,231 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,344 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,345 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,381 INFO L303 Elim1Store]: Index analysis took 182 ms [2018-11-07 10:28:34,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 190 treesize of output 206 [2018-11-07 10:28:34,434 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:34,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:34,455 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:34,523 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:35,131 INFO L303 Elim1Store]: Index analysis took 709 ms [2018-11-07 10:28:35,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 223 [2018-11-07 10:28:35,145 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,146 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,146 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,146 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,147 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,147 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,147 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,148 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,149 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,149 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 201 [2018-11-07 10:28:35,329 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2018-11-07 10:28:35,358 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,358 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,359 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,359 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,360 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:35,362 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,364 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,365 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,366 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,367 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:35,379 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:35,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 148 [2018-11-07 10:28:35,406 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:35,479 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:35,515 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:36,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,182 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,190 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,191 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,203 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,204 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,204 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,244 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,262 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,306 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,306 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,325 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,334 INFO L303 Elim1Store]: Index analysis took 181 ms [2018-11-07 10:28:36,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 218 [2018-11-07 10:28:36,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,372 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,372 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,374 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,374 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:36,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:36,412 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:36,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 238 [2018-11-07 10:28:36,582 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-11-07 10:28:36,600 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,601 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:36,619 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,620 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,620 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,621 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,621 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,621 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:36,627 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:36,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 167 [2018-11-07 10:28:36,652 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:36,761 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:37,235 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,236 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:37,236 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,237 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,237 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,240 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,240 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,241 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:37,293 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:37,293 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,356 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-11-07 10:28:37,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 200 [2018-11-07 10:28:37,617 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-11-07 10:28:37,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,631 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,631 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,632 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,633 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,633 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,634 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,654 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:37,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,655 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:37,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:37,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 185 [2018-11-07 10:28:37,673 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:37,734 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:39,704 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,713 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,720 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,770 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,779 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,786 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,787 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,790 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,791 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,791 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,829 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,837 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,838 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,838 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,866 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,927 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,928 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,968 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:39,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:39,980 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:40,084 INFO L303 Elim1Store]: Index analysis took 401 ms [2018-11-07 10:28:40,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 111 treesize of output 242 [2018-11-07 10:28:41,014 WARN L179 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 159 [2018-11-07 10:28:41,023 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 10:28:41,023 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:41,027 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 10:28:41,028 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:41,191 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,191 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,192 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,193 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,193 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,193 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,194 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,195 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,196 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,196 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,197 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,198 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,199 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,199 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,200 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,201 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,201 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:41,213 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,213 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,214 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:41,245 INFO L303 Elim1Store]: Index analysis took 216 ms [2018-11-07 10:28:41,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 212 [2018-11-07 10:28:41,248 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:41,251 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 10:28:41,251 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:41,864 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,864 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,865 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,865 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,865 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,866 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,866 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,874 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:41,874 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,874 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,890 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:41,891 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,892 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,892 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,896 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:41,923 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:41,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 163 [2018-11-07 10:28:41,926 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:41,996 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 10:28:42,060 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-07 10:28:42,231 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,233 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,233 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:42,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 81 treesize of output 148 [2018-11-07 10:28:42,255 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,255 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,256 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,256 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,256 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,257 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,257 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,258 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 166 [2018-11-07 10:28:42,369 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,372 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,374 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:42,377 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,380 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:42,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 133 [2018-11-07 10:28:42,397 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:42,431 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 10:28:42,431 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:42,515 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:42,532 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:42,615 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:28:43,532 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,547 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,556 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,568 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,592 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:43,635 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:43,635 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,640 INFO L303 Elim1Store]: Index analysis took 133 ms [2018-11-07 10:28:43,641 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 0 case distinctions, treesize of input 106 treesize of output 141 [2018-11-07 10:28:43,645 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,646 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,646 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,647 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,647 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,647 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 139 [2018-11-07 10:28:43,684 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,699 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,708 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,721 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,730 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,739 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,751 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,766 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,775 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,784 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,797 INFO L303 Elim1Store]: Index analysis took 139 ms [2018-11-07 10:28:43,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 160 [2018-11-07 10:28:43,907 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,907 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,908 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,908 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,908 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,909 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,909 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,910 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,911 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:43,912 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,913 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,913 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:43,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 118 [2018-11-07 10:28:43,940 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:43,978 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:43,992 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:44,008 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:44,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,124 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,124 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,125 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:44,154 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 130 [2018-11-07 10:28:44,219 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,241 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,256 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,265 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,295 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,324 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-11-07 10:28:44,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 154 [2018-11-07 10:28:44,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,332 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,332 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,333 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,333 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,333 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,335 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,335 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,336 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:44,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 185 [2018-11-07 10:28:44,561 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-11-07 10:28:45,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,169 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,170 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,171 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,171 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,172 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,179 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:28:45,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,727 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 10:28:45,735 INFO L303 Elim1Store]: Index analysis took 1172 ms [2018-11-07 10:28:45,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 140 [2018-11-07 10:28:45,737 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-07 10:28:45,876 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:45,906 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:45,930 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:28:46,325 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 10:28:46,407 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 10:28:46,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-07 10:28:46,754 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-11-07 10:28:46,755 INFO L202 ElimStorePlain]: Needed 35 recursive calls to eliminate 6 variables, input treesize:312, output treesize:76 [2018-11-07 10:28:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 5 proven. 92 refuted. 7 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-07 10:28:51,946 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:28:51,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 32, 34] total 71 [2018-11-07 10:28:51,946 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:28:51,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-11-07 10:28:51,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-11-07 10:28:51,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=991, Invalid=3962, Unknown=17, NotChecked=0, Total=4970 [2018-11-07 10:28:51,949 INFO L87 Difference]: Start difference. First operand 747 states and 867 transitions. Second operand 39 states. [2018-11-07 10:28:52,370 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-07 10:28:56,114 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2018-11-07 10:28:56,549 WARN L179 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2018-11-07 10:28:56,753 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-11-07 10:28:57,720 WARN L179 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-11-07 10:28:57,945 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 10:28:58,112 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 10:28:58,302 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-11-07 10:28:58,494 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:28:58,691 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-11-07 10:28:58,914 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 10:28:59,098 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 10:28:59,300 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 10:28:59,740 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2018-11-07 10:28:59,941 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 10:29:00,202 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:29:00,420 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 10:29:00,668 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 10:29:00,874 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 10:29:01,040 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 10:29:01,390 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2018-11-07 10:29:01,604 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 10:29:01,833 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 10:29:02,027 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 10:29:02,247 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 10:29:02,610 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 10:29:02,816 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 10:29:03,087 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 10:29:03,299 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:29:03,583 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 10:29:03,951 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 10:29:04,141 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 10:29:04,348 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 10:29:04,594 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 10:29:04,795 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 10:29:05,020 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 10:29:05,201 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 10:29:05,408 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 10:29:05,829 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 10:29:06,034 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 10:29:06,284 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:29:06,519 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 10:29:06,743 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 10:29:06,947 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 10:29:07,111 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 10:29:07,379 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 10:29:07,574 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 10:29:07,804 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 10:29:07,996 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 10:29:08,237 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 10:29:08,421 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 10:29:08,607 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 10:29:08,825 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 10:29:09,106 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 10:29:09,328 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:29:09,619 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 10:29:09,787 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 10:29:09,982 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 10:29:10,187 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 10:29:10,429 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 10:29:10,741 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 10:29:10,950 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 10:29:11,195 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 10:29:11,377 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 10:29:11,628 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 10:29:11,812 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 10:29:12,093 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 10:29:12,300 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 10:29:12,564 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:29:12,791 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 10:29:13,003 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 10:29:13,207 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 10:29:13,639 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 10:29:13,872 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 10:29:14,097 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 10:29:14,289 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 10:29:14,512 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 10:29:14,878 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 10:29:15,090 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 10:29:15,372 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 10:29:15,592 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 10:29:16,187 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 10:29:16,377 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 10:29:16,597 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 10:29:16,980 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 10:29:17,182 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 10:29:17,415 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-11-07 10:29:18,193 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2018-11-07 10:29:18,952 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2018-11-07 10:29:19,488 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2018-11-07 10:29:21,714 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-11-07 10:29:27,090 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 10:29:29,745 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 10:29:30,798 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 10:29:31,173 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 10:29:31,930 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-11-07 10:29:32,311 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 10:29:33,603 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 10:29:34,759 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-11-07 10:29:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:29:34,772 INFO L93 Difference]: Finished difference Result 3228 states and 3858 transitions. [2018-11-07 10:29:34,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-11-07 10:29:34,772 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2018-11-07 10:29:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:29:34,782 INFO L225 Difference]: With dead ends: 3228 [2018-11-07 10:29:34,783 INFO L226 Difference]: Without dead ends: 2573 [2018-11-07 10:29:34,800 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 223 SyntacticMatches, 10 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18999 ImplicationChecksByTransitivity, 118.6s TimeCoverageRelationStatistics Valid=13797, Invalid=54568, Unknown=17, NotChecked=0, Total=68382 [2018-11-07 10:29:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2018-11-07 10:29:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1047. [2018-11-07 10:29:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-11-07 10:29:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1185 transitions. [2018-11-07 10:29:34,961 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1185 transitions. Word has length 143 [2018-11-07 10:29:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:29:34,961 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1185 transitions. [2018-11-07 10:29:34,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-11-07 10:29:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1185 transitions. [2018-11-07 10:29:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 10:29:34,964 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:29:34,964 INFO L375 BasicCegarLoop]: trace histogram [17, 15, 15, 15, 15, 14, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:29:34,965 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:29:34,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:29:34,965 INFO L82 PathProgramCache]: Analyzing trace with hash -744183218, now seen corresponding path program 4 times [2018-11-07 10:29:34,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:29:34,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:34,966 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 10:29:34,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:34,966 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:29:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:29:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 375 proven. 140 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-11-07 10:29:36,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:36,143 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:29:36,144 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:29:36,144 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:29:36,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:36,144 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:29:36,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:29:36,152 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:29:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:29:36,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:29:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-11-07 10:29:36,333 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:29:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 296 proven. 82 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2018-11-07 10:29:36,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:29:36,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 12] total 25 [2018-11-07 10:29:36,606 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:29:36,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 10:29:36,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 10:29:36,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2018-11-07 10:29:36,607 INFO L87 Difference]: Start difference. First operand 1047 states and 1185 transitions. Second operand 15 states. [2018-11-07 10:29:40,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:29:40,422 INFO L93 Difference]: Finished difference Result 3684 states and 4290 transitions. [2018-11-07 10:29:40,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-11-07 10:29:40,422 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 165 [2018-11-07 10:29:40,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:29:40,430 INFO L225 Difference]: With dead ends: 3684 [2018-11-07 10:29:40,431 INFO L226 Difference]: Without dead ends: 2678 [2018-11-07 10:29:40,433 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=450, Invalid=3710, Unknown=0, NotChecked=0, Total=4160 [2018-11-07 10:29:40,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2018-11-07 10:29:40,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 1070. [2018-11-07 10:29:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2018-11-07 10:29:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1212 transitions. [2018-11-07 10:29:40,598 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1212 transitions. Word has length 165 [2018-11-07 10:29:40,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:29:40,598 INFO L480 AbstractCegarLoop]: Abstraction has 1070 states and 1212 transitions. [2018-11-07 10:29:40,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 10:29:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1212 transitions. [2018-11-07 10:29:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 10:29:40,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:29:40,602 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:29:40,602 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:29:40,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:29:40,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1921594431, now seen corresponding path program 1 times [2018-11-07 10:29:40,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:29:40,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:40,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:29:40,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:40,604 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:29:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:29:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 184 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-07 10:29:40,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:40,836 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:29:40,836 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 10:29:40,836 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [76], [78], [82], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 10:29:40,838 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:29:40,838 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:29:40,990 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 10:29:40,990 INFO L272 AbstractInterpreter]: Visited 62 different actions 232 times. Merged at 36 different actions 123 times. Widened at 3 different actions 3 times. Found 30 fixpoints after 15 different actions. Largest state had 35 variables. [2018-11-07 10:29:41,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:29:41,029 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 10:29:41,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:41,029 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:29:41,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:29:41,046 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:29:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:29:41,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:29:42,131 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 26 treesize of output 26 [2018-11-07 10:29:42,137 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 22 treesize of output 15 [2018-11-07 10:29:42,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:42,150 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 18 treesize of output 3 [2018-11-07 10:29:42,151 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:42,156 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:29:42,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:29:42,161 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 10:29:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 96 proven. 166 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-07 10:29:42,299 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:29:42,661 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 34 treesize of output 34 [2018-11-07 10:29:42,671 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 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-07 10:29:42,672 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 10:29:42,696 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 17 treesize of output 16 [2018-11-07 10:29:42,697 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:42,758 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 65 [2018-11-07 10:29:42,761 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 7 xjuncts. [2018-11-07 10:29:42,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:29:42,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:29:42,839 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 10:29:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 101 proven. 122 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-11-07 10:29:43,058 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:29:43,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 15] total 39 [2018-11-07 10:29:43,058 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:29:43,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-07 10:29:43,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-07 10:29:43,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1319, Unknown=0, NotChecked=0, Total=1482 [2018-11-07 10:29:43,059 INFO L87 Difference]: Start difference. First operand 1070 states and 1212 transitions. Second operand 27 states. [2018-11-07 10:29:47,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:29:47,802 INFO L93 Difference]: Finished difference Result 2857 states and 3312 transitions. [2018-11-07 10:29:47,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-07 10:29:47,802 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 172 [2018-11-07 10:29:47,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:29:47,809 INFO L225 Difference]: With dead ends: 2857 [2018-11-07 10:29:47,809 INFO L226 Difference]: Without dead ends: 2274 [2018-11-07 10:29:47,811 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2121 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=694, Invalid=7678, Unknown=0, NotChecked=0, Total=8372 [2018-11-07 10:29:47,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2018-11-07 10:29:48,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1362. [2018-11-07 10:29:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2018-11-07 10:29:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1520 transitions. [2018-11-07 10:29:48,048 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1520 transitions. Word has length 172 [2018-11-07 10:29:48,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:29:48,048 INFO L480 AbstractCegarLoop]: Abstraction has 1362 states and 1520 transitions. [2018-11-07 10:29:48,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-07 10:29:48,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1520 transitions. [2018-11-07 10:29:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-07 10:29:48,052 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:29:48,052 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:29:48,052 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:29:48,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:29:48,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1090600535, now seen corresponding path program 2 times [2018-11-07 10:29:48,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:29:48,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:48,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:29:48,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:48,055 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:29:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:29:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 3 proven. 234 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-07 10:29:48,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:48,324 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:29:48,324 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:29:48,324 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:29:48,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:48,324 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:29:48,333 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 10:29:48,333 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 10:29:49,020 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-11-07 10:29:49,021 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 10:29:49,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:29:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-07 10:29:49,168 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:29:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 63 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-07 10:29:49,776 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:29:49,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 12] total 28 [2018-11-07 10:29:49,776 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:29:49,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 10:29:49,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 10:29:49,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-11-07 10:29:49,777 INFO L87 Difference]: Start difference. First operand 1362 states and 1520 transitions. Second operand 18 states. [2018-11-07 10:29:56,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:29:56,008 INFO L93 Difference]: Finished difference Result 5255 states and 6020 transitions. [2018-11-07 10:29:56,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-11-07 10:29:56,008 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 178 [2018-11-07 10:29:56,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:29:56,020 INFO L225 Difference]: With dead ends: 5255 [2018-11-07 10:29:56,021 INFO L226 Difference]: Without dead ends: 3939 [2018-11-07 10:29:56,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 392 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1849 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=746, Invalid=6910, Unknown=0, NotChecked=0, Total=7656 [2018-11-07 10:29:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2018-11-07 10:29:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 1391. [2018-11-07 10:29:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2018-11-07 10:29:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1553 transitions. [2018-11-07 10:29:56,260 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1553 transitions. Word has length 178 [2018-11-07 10:29:56,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:29:56,260 INFO L480 AbstractCegarLoop]: Abstraction has 1391 states and 1553 transitions. [2018-11-07 10:29:56,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 10:29:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1553 transitions. [2018-11-07 10:29:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-07 10:29:56,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:29:56,264 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:29:56,265 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:29:56,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:29:56,265 INFO L82 PathProgramCache]: Analyzing trace with hash 984351714, now seen corresponding path program 3 times [2018-11-07 10:29:56,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:29:56,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:56,266 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 10:29:56,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:29:56,266 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:29:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:29:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 10:29:56,470 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:56,470 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:29:56,470 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:29:56,470 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:29:56,470 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:29:56,470 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 10:29:56,478 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-07 10:29:56,478 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-07 10:29:56,535 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-07 10:29:56,535 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 10:29:56,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:29:57,046 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 26 treesize of output 26 [2018-11-07 10:29:57,049 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 22 treesize of output 15 [2018-11-07 10:29:57,049 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:57,063 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 15 treesize of output 8 [2018-11-07 10:29:57,063 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:57,076 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 18 treesize of output 3 [2018-11-07 10:29:57,076 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:57,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:29:57,082 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:29:57,082 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 10:29:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 162 proven. 293 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-07 10:29:57,176 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:29:57,548 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 34 treesize of output 34 [2018-11-07 10:29:57,563 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 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-07 10:29:57,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 10:29:57,591 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 15 treesize of output 14 [2018-11-07 10:29:57,591 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:29:57,672 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 65 [2018-11-07 10:29:57,674 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 7 xjuncts. [2018-11-07 10:29:57,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:29:57,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:29:57,855 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 10:29:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 165 proven. 212 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-07 10:29:58,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:29:58,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 24, 19] total 47 [2018-11-07 10:29:58,182 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:29:58,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-07 10:29:58,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-07 10:29:58,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1935, Unknown=0, NotChecked=0, Total=2162 [2018-11-07 10:29:58,184 INFO L87 Difference]: Start difference. First operand 1391 states and 1553 transitions. Second operand 31 states. [2018-11-07 10:30:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:30:02,663 INFO L93 Difference]: Finished difference Result 8503 states and 9764 transitions. [2018-11-07 10:30:02,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-07 10:30:02,663 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 189 [2018-11-07 10:30:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:30:02,684 INFO L225 Difference]: With dead ends: 8503 [2018-11-07 10:30:02,684 INFO L226 Difference]: Without dead ends: 7163 [2018-11-07 10:30:02,687 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=359, Invalid=3181, Unknown=0, NotChecked=0, Total=3540 [2018-11-07 10:30:02,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7163 states. [2018-11-07 10:30:03,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7163 to 2015. [2018-11-07 10:30:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2015 states. [2018-11-07 10:30:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2251 transitions. [2018-11-07 10:30:03,081 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2251 transitions. Word has length 189 [2018-11-07 10:30:03,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:30:03,081 INFO L480 AbstractCegarLoop]: Abstraction has 2015 states and 2251 transitions. [2018-11-07 10:30:03,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-07 10:30:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2251 transitions. [2018-11-07 10:30:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 10:30:03,086 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:30:03,086 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:30:03,087 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:30:03,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:30:03,087 INFO L82 PathProgramCache]: Analyzing trace with hash 183346099, now seen corresponding path program 4 times [2018-11-07 10:30:03,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:30:03,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:30:03,088 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 10:30:03,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:30:03,088 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:30:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:30:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 10:30:03,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:30:03,429 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:30:03,429 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:30:03,429 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:30:03,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:30:03,430 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 10:30:03,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:30:03,437 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 10:30:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:30:03,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:30:04,304 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 26 treesize of output 26 [2018-11-07 10:30:04,308 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 22 treesize of output 15 [2018-11-07 10:30:04,309 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:04,323 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 18 treesize of output 3 [2018-11-07 10:30:04,324 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:04,332 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:04,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:04,334 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 10:30:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 146 proven. 420 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-07 10:30:04,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:30:05,076 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 34 treesize of output 34 [2018-11-07 10:30:05,126 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 65 [2018-11-07 10:30:05,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2018-11-07 10:30:05,181 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 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-07 10:30:05,181 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-07 10:30:05,220 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 15 treesize of output 14 [2018-11-07 10:30:05,220 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:05,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:30:05,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 10:30:05,290 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 10:30:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 147 proven. 302 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-07 10:30:05,778 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 10:30:05,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30, 23] total 58 [2018-11-07 10:30:05,778 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 10:30:05,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-11-07 10:30:05,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-11-07 10:30:05,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3011, Unknown=0, NotChecked=0, Total=3306 [2018-11-07 10:30:05,780 INFO L87 Difference]: Start difference. First operand 2015 states and 2251 transitions. Second operand 38 states. [2018-11-07 10:30:13,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:30:13,001 INFO L93 Difference]: Finished difference Result 14679 states and 16896 transitions. [2018-11-07 10:30:13,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-07 10:30:13,002 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 194 [2018-11-07 10:30:13,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:30:13,034 INFO L225 Difference]: With dead ends: 14679 [2018-11-07 10:30:13,034 INFO L226 Difference]: Without dead ends: 12720 [2018-11-07 10:30:13,040 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=431, Invalid=4539, Unknown=0, NotChecked=0, Total=4970 [2018-11-07 10:30:13,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12720 states. [2018-11-07 10:30:13,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12720 to 2982. [2018-11-07 10:30:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2982 states. [2018-11-07 10:30:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3340 transitions. [2018-11-07 10:30:13,621 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3340 transitions. Word has length 194 [2018-11-07 10:30:13,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:30:13,621 INFO L480 AbstractCegarLoop]: Abstraction has 2982 states and 3340 transitions. [2018-11-07 10:30:13,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-11-07 10:30:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3340 transitions. [2018-11-07 10:30:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 10:30:13,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:30:13,627 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:30:13,628 INFO L423 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:30:13,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:30:13,628 INFO L82 PathProgramCache]: Analyzing trace with hash -602459194, now seen corresponding path program 5 times [2018-11-07 10:30:13,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:30:13,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:30:13,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:30:13,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:30:13,629 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:30:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:30:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 10:30:13,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:30:13,987 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:30:13,987 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 10:30:13,988 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 10:30:13,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:30:13,988 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 10:30:13,996 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 10:30:13,996 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 10:30:15,338 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2018-11-07 10:30:15,339 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 10:30:15,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 10:30:15,364 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 6 treesize of output 5 [2018-11-07 10:30:15,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,368 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-07 10:30:15,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,383 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-07 10:30:15,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,388 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-07 10:30:15,405 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 11 treesize of output 8 [2018-11-07 10:30:15,407 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 8 treesize of output 7 [2018-11-07 10:30:15,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,408 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,414 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-07 10:30:15,474 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 21 treesize of output 16 [2018-11-07 10:30:15,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-11-07 10:30:15,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,495 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,506 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-07 10:30:15,535 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 30 treesize of output 23 [2018-11-07 10:30:15,538 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,540 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,541 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-11-07 10:30:15,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-07 10:30:15,607 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 39 treesize of output 30 [2018-11-07 10:30:15,609 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,611 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,612 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,616 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,621 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-11-07 10:30:15,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,678 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-11-07 10:30:15,717 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 48 treesize of output 37 [2018-11-07 10:30:15,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,726 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,728 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,730 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,731 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,732 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,733 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,736 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,741 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,744 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 244 [2018-11-07 10:30:15,746 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,789 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,807 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2018-11-07 10:30:15,852 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 57 treesize of output 44 [2018-11-07 10:30:15,855 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,857 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,858 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,859 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,860 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,862 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,863 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,864 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,865 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,866 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,867 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,868 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,869 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,870 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,872 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,873 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,874 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,877 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,878 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,879 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,882 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,884 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,888 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,889 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:15,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 30 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 363 [2018-11-07 10:30:15,891 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:15,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2018-11-07 10:30:16,036 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 66 treesize of output 51 [2018-11-07 10:30:16,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,041 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,042 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,043 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,045 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,048 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,051 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,052 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,053 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,054 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,055 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,056 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,057 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,058 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,061 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,062 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,064 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,066 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,067 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,076 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,079 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,081 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,082 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 42 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 506 [2018-11-07 10:30:16,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:16,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:16,232 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:16,233 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2018-11-07 10:30:16,297 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 75 treesize of output 58 [2018-11-07 10:30:16,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,304 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,305 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,308 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,316 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,319 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,320 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,325 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,330 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,332 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,337 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 56 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 673 [2018-11-07 10:30:16,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:16,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:16,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:16,574 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2018-11-07 10:30:16,640 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 84 treesize of output 65 [2018-11-07 10:30:16,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,667 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,668 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,668 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,670 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,671 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,672 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,673 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,674 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,675 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,677 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,678 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,679 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,680 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,681 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,682 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,683 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,685 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,690 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,692 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,697 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,699 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,702 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,703 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,712 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,719 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,723 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,724 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,728 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,730 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,731 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,732 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,736 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,741 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:16,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 72 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 864 [2018-11-07 10:30:16,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:17,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:17,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:17,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2018-11-07 10:30:17,120 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 93 treesize of output 72 [2018-11-07 10:30:17,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,126 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,127 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,131 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,140 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,144 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,160 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,163 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,166 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,167 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,169 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,170 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,171 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,174 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,175 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,177 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,179 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,182 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,193 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,194 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,196 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,199 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,200 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,203 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,204 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,209 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,211 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,213 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,214 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,215 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,217 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,219 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 90 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 1079 [2018-11-07 10:30:17,226 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:17,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:17,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:17,626 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2018-11-07 10:30:17,713 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 102 treesize of output 79 [2018-11-07 10:30:17,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,719 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,720 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,723 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,724 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,726 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,728 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,730 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,731 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,732 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,736 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,740 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,741 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,744 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,746 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,753 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,757 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,759 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,760 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,764 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,766 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,768 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,771 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,772 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,782 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,783 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,785 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,787 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,788 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,789 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,791 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,792 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,793 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,794 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,795 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,798 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,799 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,800 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,801 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,807 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,808 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,814 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,824 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,826 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,827 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,829 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,830 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,831 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,833 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,836 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,837 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,838 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 10:30:17,841 INFO L303 Elim1Store]: Index analysis took 126 ms [2018-11-07 10:30:17,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 110 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 1318 [2018-11-07 10:30:17,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,437 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2018-11-07 10:30:18,619 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 113 treesize of output 114 [2018-11-07 10:30:18,622 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 12 treesize of output 11 [2018-11-07 10:30:18,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,737 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,738 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:18,840 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 113 treesize of output 114 [2018-11-07 10:30:18,844 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 12 treesize of output 11 [2018-11-07 10:30:18,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:18,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:19,018 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 113 treesize of output 114 [2018-11-07 10:30:19,021 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 12 treesize of output 11 [2018-11-07 10:30:19,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,051 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,091 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:19,265 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 113 treesize of output 114 [2018-11-07 10:30:19,268 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 12 treesize of output 11 [2018-11-07 10:30:19,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,298 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,341 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:19,508 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 113 treesize of output 114 [2018-11-07 10:30:19,511 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 12 treesize of output 11 [2018-11-07 10:30:19,511 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:19,762 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 113 treesize of output 114 [2018-11-07 10:30:19,765 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 12 treesize of output 11 [2018-11-07 10:30:19,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,834 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:19,940 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 113 treesize of output 114 [2018-11-07 10:30:19,943 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 12 treesize of output 11 [2018-11-07 10:30:19,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:19,975 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:20,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:20,021 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:20,236 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 113 treesize of output 114 [2018-11-07 10:30:20,240 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 12 treesize of output 11 [2018-11-07 10:30:20,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 10:30:20,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:20,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 10:30:20,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 10:30:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 10:30:20,582 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 10:30:33,896 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-07 10:30:37,641 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-11-07 10:30:39,256 WARN L179 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-11-07 10:30:47,209 WARN L179 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-07 10:30:50,138 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 53 Received shutdown request... [2018-11-07 10:30:58,746 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-07 10:30:58,946 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 10:30:58,947 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 10:30:58,954 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 10:30:58,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:30:58 BoogieIcfgContainer [2018-11-07 10:30:58,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 10:30:58,955 INFO L168 Benchmark]: Toolchain (without parser) took 258225.75 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 959.4 MB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -991.9 MB). Peak memory consumption was 833.1 MB. Max. memory is 7.1 GB. [2018-11-07 10:30:58,956 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-07 10:30:58,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.31 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. [2018-11-07 10:30:58,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.02 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. [2018-11-07 10:30:58,957 INFO L168 Benchmark]: Boogie Preprocessor took 36.86 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. [2018-11-07 10:30:58,957 INFO L168 Benchmark]: RCFGBuilder took 709.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2018-11-07 10:30:58,957 INFO L168 Benchmark]: TraceAbstraction took 257107.38 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 214.4 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -212.3 MB). Peak memory consumption was 867.7 MB. Max. memory is 7.1 GB. [2018-11-07 10:30:58,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 340.31 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 25.02 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 36.86 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 709.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257107.38 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 214.4 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -212.3 MB). Peak memory consumption was 867.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 5]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 5). Cancelled while BasicCegarLoop was analyzing trace of length 200 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 63 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 66 locations, 1 error locations. TIMEOUT Result, 257.0s OverallTime, 18 OverallIterations, 17 TraceHistogramMax, 84.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2725 SDtfs, 14826 SDslu, 28719 SDs, 0 SdLazy, 37631 SolverSat, 2812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 4183 GetRequests, 3307 SyntacticMatches, 15 SemanticMatches, 861 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27205 ImplicationChecksByTransitivity, 137.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2982occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 8 AbstIntIterations, 1 AbstIntStrong, 0.9349285538309928 AbsIntWeakeningRatio, 0.5365853658536586 AbsIntAvgWeakeningVarsNumRemoved, 5.048780487804878 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 24909 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 120.1s InterpolantComputationTime, 3530 NumberOfCodeBlocks, 3412 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 5195 ConstructedInterpolants, 83 QuantifiedInterpolants, 6208265 SizeOfPredicates, 123 NumberOfNonLiveVariables, 3028 ConjunctsInSsa, 424 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 7718/10934 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown