/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/list-simple/dll2c_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:06:28,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:06:28,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:06:28,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:06:28,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:06:28,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:06:28,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:06:28,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:06:28,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:06:28,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:06:28,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:06:28,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:06:28,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:06:28,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:06:28,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:06:28,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:06:28,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:06:28,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:06:28,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:06:28,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:06:28,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:06:28,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:06:28,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:06:28,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:06:28,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:06:28,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:06:28,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:06:28,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:06:28,801 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 04:06:28,816 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:06:28,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:06:28,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:06:28,817 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:06:28,818 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:06:28,818 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:06:28,818 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:06:28,818 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:06:28,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:06:28,819 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:06:28,819 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:06:28,819 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:06:28,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:06:28,820 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:06:28,820 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:06:28,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:06:28,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:06:28,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:06:28,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:06:28,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:06:28,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:06:28,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:06:28,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:06:28,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:06:28,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:06:28,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:06:28,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:06:28,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:06:28,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:06:28,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:06:28,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:06:28,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:06:28,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:06:28,825 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:06:28,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:06:28,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:06:28,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:06:28,826 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:06:29,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:06:29,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:06:29,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:06:29,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:06:29,123 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:06:29,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_insert_equal.i [2019-11-24 04:06:29,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c35d704/c3cdc00aa8f5469d8ce7baad62c042bf/FLAG5f9447c27 [2019-11-24 04:06:29,689 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:06:29,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_insert_equal.i [2019-11-24 04:06:29,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c35d704/c3cdc00aa8f5469d8ce7baad62c042bf/FLAG5f9447c27 [2019-11-24 04:06:30,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c35d704/c3cdc00aa8f5469d8ce7baad62c042bf [2019-11-24 04:06:30,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:06:30,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:06:30,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:06:30,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:06:30,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:06:30,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdea2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30, skipping insertion in model container [2019-11-24 04:06:30,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:06:30,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:06:30,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:06:30,500 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:06:30,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:06:30,620 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:06:30,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30 WrapperNode [2019-11-24 04:06:30,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:06:30,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:06:30,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:06:30,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:06:30,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:06:30,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:06:30,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:06:30,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:06:30,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (1/1) ... [2019-11-24 04:06:30,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:06:30,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:06:30,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:06:30,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:06:30,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (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 04:06:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:06:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:06:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 04:06:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:06:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 04:06:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 04:06:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:06:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 04:06:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:06:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:06:33,298 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:06:33,299 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-24 04:06:33,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:06:33 BoogieIcfgContainer [2019-11-24 04:06:33,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:06:33,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:06:33,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:06:33,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:06:33,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:06:30" (1/3) ... [2019-11-24 04:06:33,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccb9c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:06:33, skipping insertion in model container [2019-11-24 04:06:33,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:06:30" (2/3) ... [2019-11-24 04:06:33,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccb9c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:06:33, skipping insertion in model container [2019-11-24 04:06:33,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:06:33" (3/3) ... [2019-11-24 04:06:33,310 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_insert_equal.i [2019-11-24 04:06:33,321 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:06:33,329 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:06:33,341 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:06:33,370 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:06:33,370 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:06:33,371 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:06:33,371 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:06:33,371 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:06:33,371 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:06:33,371 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:06:33,372 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:06:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-24 04:06:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:06:33,394 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:06:33,395 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:06:33,395 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:06:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:06:33,400 INFO L82 PathProgramCache]: Analyzing trace with hash 720468762, now seen corresponding path program 1 times [2019-11-24 04:06:33,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:06:33,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851140699] [2019-11-24 04:06:33,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:06:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:06:33,656 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 04:06:33,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851140699] [2019-11-24 04:06:33,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:06:33,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:06:33,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251016407] [2019-11-24 04:06:33,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 04:06:33,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:06:33,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 04:06:33,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:06:33,682 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-24 04:06:33,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:06:33,701 INFO L93 Difference]: Finished difference Result 28 states and 40 transitions. [2019-11-24 04:06:33,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 04:06:33,702 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-24 04:06:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:06:33,712 INFO L225 Difference]: With dead ends: 28 [2019-11-24 04:06:33,713 INFO L226 Difference]: Without dead ends: 12 [2019-11-24 04:06:33,716 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 04:06:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-24 04:06:33,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-24 04:06:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-24 04:06:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-24 04:06:33,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 8 [2019-11-24 04:06:33,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:06:33,751 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-24 04:06:33,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 04:06:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-24 04:06:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:06:33,752 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:06:33,752 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:06:33,753 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:06:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:06:33,753 INFO L82 PathProgramCache]: Analyzing trace with hash 720454843, now seen corresponding path program 1 times [2019-11-24 04:06:33,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:06:33,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414716795] [2019-11-24 04:06:33,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:06:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:06:33,832 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 04:06:33,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414716795] [2019-11-24 04:06:33,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:06:33,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:06:33,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390961958] [2019-11-24 04:06:33,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:06:33,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:06:33,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:06:33,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:06:33,837 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 3 states. [2019-11-24 04:06:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:06:33,885 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2019-11-24 04:06:33,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:06:33,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 04:06:33,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:06:33,890 INFO L225 Difference]: With dead ends: 22 [2019-11-24 04:06:33,890 INFO L226 Difference]: Without dead ends: 14 [2019-11-24 04:06:33,891 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:06:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-24 04:06:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-24 04:06:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-24 04:06:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-24 04:06:33,896 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2019-11-24 04:06:33,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:06:33,896 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-24 04:06:33,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:06:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-24 04:06:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:06:33,897 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:06:33,897 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:06:33,897 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:06:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:06:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash -506577896, now seen corresponding path program 1 times [2019-11-24 04:06:33,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:06:33,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245277320] [2019-11-24 04:06:33,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:06:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:06:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:06:34,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245277320] [2019-11-24 04:06:34,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:06:34,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:06:34,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553159455] [2019-11-24 04:06:34,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:06:34,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:06:34,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:06:34,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:06:34,088 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2019-11-24 04:06:35,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:06:35,026 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-11-24 04:06:35,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:06:35,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 04:06:35,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:06:35,027 INFO L225 Difference]: With dead ends: 20 [2019-11-24 04:06:35,027 INFO L226 Difference]: Without dead ends: 14 [2019-11-24 04:06:35,027 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:06:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-24 04:06:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-24 04:06:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-24 04:06:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-11-24 04:06:35,032 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 10 [2019-11-24 04:06:35,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:06:35,032 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-24 04:06:35,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:06:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-24 04:06:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 04:06:35,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:06:35,033 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:06:35,033 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:06:35,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:06:35,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1394889131, now seen corresponding path program 1 times [2019-11-24 04:06:35,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:06:35,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838427975] [2019-11-24 04:06:35,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:06:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:06:36,060 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 58 [2019-11-24 04:06:36,370 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 58 [2019-11-24 04:06:36,429 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 04:06:36,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838427975] [2019-11-24 04:06:36,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328787310] [2019-11-24 04:06:36,430 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 04:06:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:06:36,595 WARN L253 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 99 conjunts are in the unsatisfiable core [2019-11-24 04:06:36,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:06:36,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:36,698 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:36,699 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 30 [2019-11-24 04:06:36,699 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:36,744 INFO L567 ElimStorePlain]: treesize reduction 14, result has 71.4 percent of original size [2019-11-24 04:06:36,745 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:06:36,745 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:35 [2019-11-24 04:06:36,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:36,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:36,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:36,920 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:36,921 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 74 [2019-11-24 04:06:36,922 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:36,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:36,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:37,021 INFO L343 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2019-11-24 04:06:37,021 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 109 [2019-11-24 04:06:37,023 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:37,213 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-11-24 04:06:37,214 INFO L567 ElimStorePlain]: treesize reduction 48, result has 67.8 percent of original size [2019-11-24 04:06:37,214 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-11-24 04:06:37,215 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:101, output treesize:101 [2019-11-24 04:06:37,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:37,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:37,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:37,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:37,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:37,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:37,384 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_222|, v_prenex_1, |v_#memory_$Pointer$.base_119|, v_prenex_2, v_prenex_3, v_prenex_4, v_prenex_5], 2=[|v_#memory_int_223|, v_prenex_6]} [2019-11-24 04:06:37,395 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:06:37,395 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:38,092 WARN L192 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2019-11-24 04:06:38,093 INFO L567 ElimStorePlain]: treesize reduction 329, result has 40.2 percent of original size [2019-11-24 04:06:38,094 INFO L464 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2019-11-24 04:06:38,094 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_119| vanished before elimination [2019-11-24 04:06:38,125 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 109 treesize of output 96 [2019-11-24 04:06:38,126 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:38,350 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-24 04:06:38,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:38,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:38,385 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 96 treesize of output 85 [2019-11-24 04:06:38,386 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:38,540 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-24 04:06:38,542 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:38,567 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 98 [2019-11-24 04:06:38,568 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:38,700 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-24 04:06:38,701 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:38,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:38,723 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 98 treesize of output 87 [2019-11-24 04:06:38,723 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:38,834 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-11-24 04:06:38,835 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:38,847 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 85 treesize of output 69 [2019-11-24 04:06:38,848 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:38,959 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-11-24 04:06:38,960 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:38,971 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 87 treesize of output 71 [2019-11-24 04:06:38,972 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:39,117 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-24 04:06:39,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:39,120 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 9 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-24 04:06:39,120 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 11 variables, input treesize:625, output treesize:135 [2019-11-24 04:06:39,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:39,492 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-24 04:06:39,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:39,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:39,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:39,560 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:39,561 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 351 treesize of output 359 [2019-11-24 04:06:39,563 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:39,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:39,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:39,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:39,640 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:39,641 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 353 treesize of output 407 [2019-11-24 04:06:39,643 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:39,881 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-24 04:06:39,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:39,884 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_224|, |v_#memory_int_235|], 18=[|v_#memory_$Pointer$.base_121|]} [2019-11-24 04:06:39,892 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:06:39,897 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:06:40,123 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 04:06:40,124 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:40,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:40,143 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 377 treesize of output 296 [2019-11-24 04:06:40,144 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:40,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:40,185 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 352 treesize of output 271 [2019-11-24 04:06:40,186 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:40,396 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-24 04:06:40,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:40,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:40,546 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-11-24 04:06:40,547 INFO L343 Elim1Store]: treesize reduction 75, result has 69.8 percent of original size [2019-11-24 04:06:40,548 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 293 treesize of output 298 [2019-11-24 04:06:40,550 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:40,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:40,716 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-11-24 04:06:40,717 INFO L343 Elim1Store]: treesize reduction 75, result has 69.8 percent of original size [2019-11-24 04:06:40,717 INFO L377 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 268 treesize of output 285 [2019-11-24 04:06:40,719 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:41,107 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2019-11-24 04:06:41,109 INFO L567 ElimStorePlain]: treesize reduction 422, result has 55.9 percent of original size [2019-11-24 04:06:41,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:41,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:41,113 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-24 04:06:41,114 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:705, output treesize:492 [2019-11-24 04:06:41,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:41,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:45,516 WARN L192 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2019-11-24 04:06:45,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:45,530 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_236|, |v_#memory_int_225|, |v_#memory_int_226|], 6=[|v_#memory_$Pointer$.offset_121|], 50=[|v_#memory_$Pointer$.base_122|]} [2019-11-24 04:06:45,552 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2019-11-24 04:06:45,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:45,710 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-24 04:06:45,710 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:45,726 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2019-11-24 04:06:45,727 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:45,845 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-11-24 04:06:45,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:45,871 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-11-24 04:06:45,872 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:45,979 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-24 04:06:45,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:45,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:45,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:45,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:45,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:46,014 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 166 [2019-11-24 04:06:46,016 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:46,161 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 04:06:46,162 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:46,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:46,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:46,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:46,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:46,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:46,901 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2019-11-24 04:06:46,901 INFO L343 Elim1Store]: treesize reduction 264, result has 64.6 percent of original size [2019-11-24 04:06:46,902 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 228 treesize of output 562 [2019-11-24 04:06:46,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:46,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:46,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 04:06:46,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:46,982 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:06:47,251 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2019-11-24 04:06:47,251 INFO L567 ElimStorePlain]: treesize reduction 396, result has 33.4 percent of original size [2019-11-24 04:06:47,253 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-24 04:06:47,253 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:340, output treesize:259 [2019-11-24 04:06:49,476 WARN L192 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-11-24 04:06:49,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:49,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:49,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:49,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:49,667 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_9, |v_#memory_int_230|, |v_#memory_int_231|, |v_#memory_int_229|], 15=[v_prenex_11], 45=[v_prenex_10]} [2019-11-24 04:06:49,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:49,708 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 638 treesize of output 614 [2019-11-24 04:06:49,709 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:49,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:49,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 634 treesize of output 610 [2019-11-24 04:06:49,739 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:50,218 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-11-24 04:06:50,219 INFO L567 ElimStorePlain]: treesize reduction 616, result has 49.5 percent of original size [2019-11-24 04:06:50,248 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2019-11-24 04:06:50,249 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:50,375 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-11-24 04:06:50,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:50,381 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:06:50,512 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-24 04:06:50,512 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:50,521 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 28 [2019-11-24 04:06:50,522 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:50,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:50,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:50,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:50,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:50,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:50,638 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 390 treesize of output 312 [2019-11-24 04:06:50,639 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:50,811 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-11-24 04:06:50,812 INFO L567 ElimStorePlain]: treesize reduction 41, result has 88.5 percent of original size [2019-11-24 04:06:50,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:50,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 04:06:51,032 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-11-24 04:06:51,033 INFO L343 Elim1Store]: treesize reduction 10, result has 93.0 percent of original size [2019-11-24 04:06:51,034 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 264 treesize of output 262 [2019-11-24 04:06:51,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:06:51,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,104 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 7 xjuncts. [2019-11-24 04:06:51,333 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 32 [2019-11-24 04:06:51,334 INFO L567 ElimStorePlain]: treesize reduction 2743, result has 1.5 percent of original size [2019-11-24 04:06:51,335 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:06:51,335 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 13 variables, input treesize:1273, output treesize:18 [2019-11-24 04:06:51,403 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-24 04:06:51,403 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:06:51,412 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:06:51,413 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:06:51,413 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2019-11-24 04:06:51,464 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 04:06:51,465 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:06:51,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:06:51,564 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:06:51,576 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:03,395 WARN L192 SmtUtils]: Spent 11.82 s on a formula simplification that was a NOOP. DAG size: 234 [2019-11-24 04:07:03,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:07:03,408 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:03,430 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:14,544 WARN L192 SmtUtils]: Spent 11.11 s on a formula simplification that was a NOOP. DAG size: 238 [2019-11-24 04:07:14,544 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:07:14,603 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:14,638 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:25,636 WARN L192 SmtUtils]: Spent 11.00 s on a formula simplification that was a NOOP. DAG size: 239 [2019-11-24 04:07:25,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:07:25,677 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:25,700 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:42,134 WARN L192 SmtUtils]: Spent 16.43 s on a formula simplification that was a NOOP. DAG size: 243 [2019-11-24 04:07:42,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:07:42,147 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:56,586 WARN L192 SmtUtils]: Spent 14.44 s on a formula simplification that was a NOOP. DAG size: 238 [2019-11-24 04:07:56,587 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:07:56,877 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:07:56,889 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:08:07,050 WARN L192 SmtUtils]: Spent 10.16 s on a formula simplification that was a NOOP. DAG size: 240 [2019-11-24 04:08:07,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:08:07,131 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 04:08:07,151 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.