/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 00:33:02,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 00:33:02,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 00:33:02,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 00:33:02,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 00:33:02,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 00:33:02,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 00:33:02,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 00:33:02,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 00:33:02,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 00:33:02,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 00:33:02,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 00:33:02,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 00:33:02,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 00:33:02,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 00:33:02,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 00:33:02,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 00:33:02,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 00:33:02,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 00:33:02,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 00:33:02,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 00:33:02,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 00:33:02,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 00:33:02,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 00:33:02,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 00:33:02,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 00:33:02,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 00:33:02,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 00:33:02,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 00:33:02,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 00:33:02,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 00:33:02,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 00:33:02,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-11-24 00:33:02,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 00:33:02,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 00:33:02,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 00:33:02,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 00:33:02,365 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 00:33:02,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 00:33:02,365 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 00:33:02,366 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 00:33:02,366 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 00:33:02,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 00:33:02,366 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 00:33:02,366 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 00:33:02,366 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 00:33:02,367 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 00:33:02,367 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 00:33:02,367 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 00:33:02,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 00:33:02,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 00:33:02,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 00:33:02,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 00:33:02,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 00:33:02,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 00:33:02,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 00:33:02,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 00:33:02,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 00:33:02,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 00:33:02,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 00:33:02,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 00:33:02,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 00:33:02,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 00:33:02,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 00:33:02,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 00:33:02,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 00:33:02,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 00:33:02,373 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 00:33:02,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 00:33:02,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 00:33:02,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 00:33:02,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 00:33:02,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 00:33:02,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 00:33:02,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 00:33:02,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 00:33:02,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 00:33:02,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional-1.i [2019-11-24 00:33:02,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f3de745/f6d12ffbf17e4b3d99fd18a70aa00371/FLAGa5bc4cec8 [2019-11-24 00:33:03,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 00:33:03,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-optional-1.i [2019-11-24 00:33:03,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f3de745/f6d12ffbf17e4b3d99fd18a70aa00371/FLAGa5bc4cec8 [2019-11-24 00:33:03,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f3de745/f6d12ffbf17e4b3d99fd18a70aa00371 [2019-11-24 00:33:03,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 00:33:03,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 00:33:03,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 00:33:03,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 00:33:03,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 00:33:03,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:03" (1/1) ... [2019-11-24 00:33:03,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9af589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:03, skipping insertion in model container [2019-11-24 00:33:03,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:03" (1/1) ... [2019-11-24 00:33:03,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 00:33:03,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 00:33:04,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:33:04,206 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 00:33:04,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:33:04,309 INFO L208 MainTranslator]: Completed translation [2019-11-24 00:33:04,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04 WrapperNode [2019-11-24 00:33:04,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 00:33:04,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 00:33:04,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 00:33:04,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 00:33:04,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 00:33:04,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 00:33:04,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 00:33:04,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 00:33:04,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (1/1) ... [2019-11-24 00:33:04,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 00:33:04,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 00:33:04,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 00:33:04,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 00:33:04,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (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 [2019-11-24 00:33:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 00:33:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 00:33:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 00:33:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 00:33:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 00:33:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 00:33:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 00:33:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 00:33:05,874 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 00:33:05,875 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 00:33:05,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:05 BoogieIcfgContainer [2019-11-24 00:33:05,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 00:33:05,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 00:33:05,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 00:33:05,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 00:33:05,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:33:03" (1/3) ... [2019-11-24 00:33:05,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f323100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:05, skipping insertion in model container [2019-11-24 00:33:05,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:04" (2/3) ... [2019-11-24 00:33:05,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f323100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:05, skipping insertion in model container [2019-11-24 00:33:05,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:05" (3/3) ... [2019-11-24 00:33:05,898 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-optional-1.i [2019-11-24 00:33:05,909 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 00:33:05,917 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 00:33:05,930 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 00:33:05,961 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 00:33:05,961 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 00:33:05,962 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 00:33:05,962 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 00:33:05,962 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 00:33:05,962 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 00:33:05,963 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 00:33:05,963 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 00:33:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-24 00:33:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 00:33:05,989 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:33:05,990 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:33:05,991 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:33:05,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:33:05,999 INFO L82 PathProgramCache]: Analyzing trace with hash 476029248, now seen corresponding path program 1 times [2019-11-24 00:33:06,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:33:06,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681415712] [2019-11-24 00:33:06,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:33:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:33:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:33:06,279 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681415712] [2019-11-24 00:33:06,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:33:06,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 00:33:06,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653123740] [2019-11-24 00:33:06,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 00:33:06,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:33:06,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 00:33:06,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:33:06,299 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-24 00:33:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:33:06,318 INFO L93 Difference]: Finished difference Result 23 states and 33 transitions. [2019-11-24 00:33:06,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 00:33:06,320 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 00:33:06,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:33:06,327 INFO L225 Difference]: With dead ends: 23 [2019-11-24 00:33:06,328 INFO L226 Difference]: Without dead ends: 11 [2019-11-24 00:33:06,330 INFO L630 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 [2019-11-24 00:33:06,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-24 00:33:06,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-24 00:33:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-24 00:33:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-11-24 00:33:06,361 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2019-11-24 00:33:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:33:06,361 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-11-24 00:33:06,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 00:33:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-24 00:33:06,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 00:33:06,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:33:06,362 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:33:06,362 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:33:06,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:33:06,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1715902748, now seen corresponding path program 1 times [2019-11-24 00:33:06,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:33:06,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571129487] [2019-11-24 00:33:06,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:33:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:33:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:33:06,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571129487] [2019-11-24 00:33:06,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:33:06,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 00:33:06,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685693444] [2019-11-24 00:33:06,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 00:33:06,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:33:06,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 00:33:06,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 00:33:06,721 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 5 states. [2019-11-24 00:33:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:33:08,312 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-11-24 00:33:08,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 00:33:08,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-24 00:33:08,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:33:08,313 INFO L225 Difference]: With dead ends: 28 [2019-11-24 00:33:08,313 INFO L226 Difference]: Without dead ends: 26 [2019-11-24 00:33:08,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-24 00:33:08,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-24 00:33:08,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2019-11-24 00:33:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-24 00:33:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-11-24 00:33:08,321 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 8 [2019-11-24 00:33:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:33:08,321 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-24 00:33:08,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 00:33:08,322 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-11-24 00:33:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 00:33:08,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:33:08,323 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:33:08,323 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:33:08,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:33:08,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1605053107, now seen corresponding path program 1 times [2019-11-24 00:33:08,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:33:08,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224963167] [2019-11-24 00:33:08,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:33:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:33:09,304 WARN L192 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2019-11-24 00:33:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:33:09,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224963167] [2019-11-24 00:33:09,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873883853] [2019-11-24 00:33:09,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 00:33:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:33:09,558 WARN L253 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-24 00:33:09,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 00:33:09,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:33:09,644 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_4, v_prenex_6, |v_#length_29|], 5=[|v_#valid_49|]} [2019-11-24 00:33:10,163 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:10,164 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 144 [2019-11-24 00:33:10,165 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:10,590 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:10,591 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 144 [2019-11-24 00:33:10,591 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:20,965 WARN L192 SmtUtils]: Spent 10.37 s on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2019-11-24 00:33:20,966 INFO L567 ElimStorePlain]: treesize reduction 20, result has 95.9 percent of original size [2019-11-24 00:33:21,150 INFO L377 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 134 treesize of output 133 [2019-11-24 00:33:21,151 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:21,334 INFO L377 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 134 treesize of output 133 [2019-11-24 00:33:21,335 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:26,402 WARN L192 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 00:33:26,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:26,548 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:26,715 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 204 treesize of output 205 [2019-11-24 00:33:26,717 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:31,538 WARN L192 SmtUtils]: Spent 4.82 s on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 00:33:31,538 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:31,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:32,119 INFO L343 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2019-11-24 00:33:32,120 INFO L377 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 2 case distinctions, treesize of input 203 treesize of output 208 [2019-11-24 00:33:32,122 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:41,854 WARN L192 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2019-11-24 00:33:41,855 INFO L567 ElimStorePlain]: treesize reduction 4, result has 99.2 percent of original size [2019-11-24 00:33:41,864 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_$Pointer$.base_134|, |v_#memory_$Pointer$.offset_132|, |v_#memory_int_88|, v_prenex_1, v_prenex_2, v_prenex_3, v_prenex_5, v_prenex_7], 2=[|v_#memory_$Pointer$.base_128|, |v_#memory_$Pointer$.base_130|, |v_#memory_$Pointer$.offset_127|, |v_#memory_$Pointer$.offset_128|, |v_#memory_int_87|], 4=[|v_#memory_$Pointer$.base_129|, |v_#memory_$Pointer$.offset_126|]} [2019-11-24 00:33:41,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:41,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:41,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:42,075 INFO L237 Elim1Store]: Index analysis took 157 ms [2019-11-24 00:33:42,281 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 122 [2019-11-24 00:33:42,281 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:46,620 WARN L192 SmtUtils]: Spent 4.34 s on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 00:33:46,621 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:46,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:46,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:46,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:46,797 INFO L237 Elim1Store]: Index analysis took 126 ms [2019-11-24 00:33:47,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 190 [2019-11-24 00:33:47,019 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:50,664 WARN L192 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 00:33:50,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:50,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:50,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:50,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:50,911 INFO L237 Elim1Store]: Index analysis took 194 ms [2019-11-24 00:33:51,216 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 179 [2019-11-24 00:33:51,216 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:54,080 WARN L192 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 00:33:54,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:54,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:54,253 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 179 treesize of output 164 [2019-11-24 00:33:54,254 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:56,459 WARN L192 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 139 [2019-11-24 00:33:56,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:56,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:56,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:56,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:56,659 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 122 [2019-11-24 00:33:56,659 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:58,202 WARN L192 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 135 [2019-11-24 00:33:58,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:58,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:58,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:58,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:58,378 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 111 [2019-11-24 00:33:58,379 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-24 00:33:59,618 WARN L192 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 131 [2019-11-24 00:33:59,618 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:33:59,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:33:59,717 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 111 treesize of output 96 [2019-11-24 00:33:59,718 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:00,832 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 127 [2019-11-24 00:34:00,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:00,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:00,915 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 122 treesize of output 107 [2019-11-24 00:34:00,916 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:01,857 WARN L192 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-24 00:34:01,858 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:01,876 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:01,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:01,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:01,919 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 96 [2019-11-24 00:34:01,920 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:02,373 WARN L192 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-11-24 00:34:02,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:02,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:02,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:02,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:02,404 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 98 [2019-11-24 00:34:02,406 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:02,792 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-24 00:34:02,793 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:02,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:02,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:02,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:02,831 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 98 [2019-11-24 00:34:02,833 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:03,172 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-24 00:34:03,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:03,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:03,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:03,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:03,209 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 94 [2019-11-24 00:34:03,210 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:03,509 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-24 00:34:03,510 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:03,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:03,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:03,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:03,541 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 94 [2019-11-24 00:34:03,543 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:03,799 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-11-24 00:34:03,799 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:03,813 INFO L377 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 164 treesize of output 152 [2019-11-24 00:34:03,814 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:04,036 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 00:34:04,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:04,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,075 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 140 [2019-11-24 00:34:04,077 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:04,245 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-24 00:34:04,245 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:04,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:34:04,266 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 125 [2019-11-24 00:34:04,268 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:04,430 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-24 00:34:04,431 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:34:04,433 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, 16 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-11-24 00:34:04,434 INFO L221 ElimStorePlain]: Needed 23 recursive calls to eliminate 21 variables, input treesize:463, output treesize:323 [2019-11-24 00:34:04,596 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-24 00:34:04,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:04,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:34:04,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,661 WARN L192 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 00:34:07,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:34:07,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:34:07,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:34:07,977 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_13, v_prenex_105, v_prenex_92, v_prenex_64, v_prenex_43, v_prenex_51], 1=[|v_#length_30|, v_prenex_77, v_prenex_30], 3=[v_prenex_47, v_prenex_39, v_prenex_60, v_prenex_91], 6=[v_prenex_73, |v_#valid_50|], 7=[v_prenex_104, v_prenex_18], 11=[v_prenex_25]} [2019-11-24 00:34:12,111 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 993 treesize of output 991 [2019-11-24 00:34:12,113 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:34:16,250 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 989 [2019-11-24 00:34:16,251 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.