/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/sll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 00:34:57,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 00:34:57,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 00:34:57,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 00:34:57,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 00:34:57,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 00:34:57,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 00:34:57,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 00:34:57,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 00:34:57,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 00:34:57,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 00:34:57,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 00:34:57,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 00:34:57,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 00:34:57,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 00:34:57,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 00:34:57,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 00:34:57,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 00:34:57,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 00:34:57,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 00:34:57,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 00:34:57,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 00:34:57,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 00:34:57,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 00:34:57,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 00:34:57,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 00:34:57,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 00:34:57,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 00:34:57,119 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 00:34:57,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 00:34:57,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 00:34:57,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 00:34:57,145 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 00:34:57,145 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 00:34:57,145 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 00:34:57,145 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 00:34:57,145 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 00:34:57,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 00:34:57,146 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 00:34:57,147 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 00:34:57,147 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 00:34:57,147 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 00:34:57,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 00:34:57,148 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 00:34:57,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 00:34:57,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 00:34:57,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 00:34:57,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 00:34:57,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 00:34:57,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 00:34:57,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 00:34:57,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 00:34:57,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 00:34:57,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 00:34:57,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 00:34:57,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 00:34:57,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 00:34:57,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 00:34:57,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 00:34:57,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 00:34:57,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 00:34:57,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 00:34:57,155 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 00:34:57,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 00:34:57,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 00:34:57,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 00:34:57,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 00:34:57,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 00:34:57,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 00:34:57,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 00:34:57,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 00:34:57,476 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 00:34:57,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional-1.i [2019-11-24 00:34:57,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578c1c5f5/8dbc6f4b89b84eada095e362be0ea63b/FLAG649be91d2 [2019-11-24 00:34:58,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 00:34:58,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-1.i [2019-11-24 00:34:58,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578c1c5f5/8dbc6f4b89b84eada095e362be0ea63b/FLAG649be91d2 [2019-11-24 00:34:58,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578c1c5f5/8dbc6f4b89b84eada095e362be0ea63b [2019-11-24 00:34:58,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 00:34:58,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 00:34:58,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 00:34:58,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 00:34:58,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 00:34:58,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:34:58" (1/1) ... [2019-11-24 00:34:58,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e46584f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:58, skipping insertion in model container [2019-11-24 00:34:58,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:34:58" (1/1) ... [2019-11-24 00:34:58,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 00:34:58,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 00:34:58,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:34:58,947 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 00:34:58,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:34:59,053 INFO L208 MainTranslator]: Completed translation [2019-11-24 00:34:59,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59 WrapperNode [2019-11-24 00:34:59,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 00:34:59,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 00:34:59,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 00:34:59,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 00:34:59,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 00:34:59,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 00:34:59,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 00:34:59,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 00:34:59,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (1/1) ... [2019-11-24 00:34:59,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 00:34:59,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 00:34:59,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 00:34:59,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 00:34:59,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (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 00:34:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 00:34:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 00:34:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 00:34:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 00:34:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 00:34:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 00:34:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 00:34:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 00:35:00,405 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 00:35:00,405 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 00:35:00,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:00 BoogieIcfgContainer [2019-11-24 00:35:00,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 00:35:00,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 00:35:00,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 00:35:00,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 00:35:00,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:34:58" (1/3) ... [2019-11-24 00:35:00,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233f24a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:00, skipping insertion in model container [2019-11-24 00:35:00,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:59" (2/3) ... [2019-11-24 00:35:00,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233f24a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:00, skipping insertion in model container [2019-11-24 00:35:00,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:00" (3/3) ... [2019-11-24 00:35:00,416 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-optional-1.i [2019-11-24 00:35:00,426 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 00:35:00,434 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 00:35:00,446 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 00:35:00,472 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 00:35:00,472 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 00:35:00,472 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 00:35:00,473 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 00:35:00,474 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 00:35:00,474 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 00:35:00,474 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 00:35:00,474 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 00:35:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-24 00:35:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 00:35:00,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:00,501 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:35:00,502 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:00,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1901379577, now seen corresponding path program 1 times [2019-11-24 00:35:00,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:00,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497418093] [2019-11-24 00:35:00,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:00,702 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 00:35:00,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497418093] [2019-11-24 00:35:00,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:35:00,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 00:35:00,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225032065] [2019-11-24 00:35:00,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 00:35:00,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:35:00,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 00:35:00,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:35:00,729 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-24 00:35:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:35:00,747 INFO L93 Difference]: Finished difference Result 23 states and 33 transitions. [2019-11-24 00:35:00,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 00:35:00,748 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 00:35:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:35:00,759 INFO L225 Difference]: With dead ends: 23 [2019-11-24 00:35:00,759 INFO L226 Difference]: Without dead ends: 11 [2019-11-24 00:35:00,762 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 00:35:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-24 00:35:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-24 00:35:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-24 00:35:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-11-24 00:35:00,796 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2019-11-24 00:35:00,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:35:00,796 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-11-24 00:35:00,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 00:35:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-24 00:35:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 00:35:00,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:00,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:35:00,797 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:00,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:00,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1893835005, now seen corresponding path program 1 times [2019-11-24 00:35:00,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:00,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930886549] [2019-11-24 00:35:00,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:01,321 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 00:35:01,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930886549] [2019-11-24 00:35:01,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:35:01,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 00:35:01,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593088239] [2019-11-24 00:35:01,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 00:35:01,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:35:01,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 00:35:01,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 00:35:01,328 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 5 states. [2019-11-24 00:35:01,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:35:01,948 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-11-24 00:35:01,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 00:35:01,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-24 00:35:01,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:35:01,949 INFO L225 Difference]: With dead ends: 28 [2019-11-24 00:35:01,949 INFO L226 Difference]: Without dead ends: 26 [2019-11-24 00:35:01,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-24 00:35:01,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-24 00:35:01,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2019-11-24 00:35:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-24 00:35:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-11-24 00:35:01,957 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 8 [2019-11-24 00:35:01,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:35:01,958 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-24 00:35:01,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 00:35:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-11-24 00:35:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 00:35:01,958 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:01,959 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:35:01,959 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:01,959 INFO L82 PathProgramCache]: Analyzing trace with hash 353575655, now seen corresponding path program 1 times [2019-11-24 00:35:01,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:01,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196515724] [2019-11-24 00:35:01,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:02,702 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2019-11-24 00:35:02,856 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 00:35:02,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196515724] [2019-11-24 00:35:02,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292858396] [2019-11-24 00:35:02,857 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 00:35:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:02,969 WARN L253 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-24 00:35:02,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 00:35:03,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:03,074 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_5, |v_#valid_47|, |v_#length_29|], 5=[v_prenex_4]} [2019-11-24 00:35:03,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:03,334 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 195 [2019-11-24 00:35:03,335 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:06,575 WARN L192 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 00:35:06,577 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:06,844 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:06,845 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 119 treesize of output 134 [2019-11-24 00:35:06,846 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:07,185 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:07,185 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 119 treesize of output 134 [2019-11-24 00:35:07,186 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:13,317 WARN L192 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 159 DAG size of output: 156 [2019-11-24 00:35:13,318 INFO L567 ElimStorePlain]: treesize reduction 20, result has 95.7 percent of original size [2019-11-24 00:35:13,451 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 124 treesize of output 123 [2019-11-24 00:35:13,451 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:13,568 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 124 treesize of output 123 [2019-11-24 00:35:13,569 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:16,747 WARN L192 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 00:35:16,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:16,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:17,150 INFO L343 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2019-11-24 00:35:17,151 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 193 treesize of output 198 [2019-11-24 00:35:17,153 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:23,362 WARN L192 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 148 [2019-11-24 00:35:23,363 INFO L567 ElimStorePlain]: treesize reduction 4, result has 99.1 percent of original size [2019-11-24 00:35:23,369 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_int_81|, |v_#memory_$Pointer$.base_132|, |v_#memory_$Pointer$.offset_132|, v_prenex_1, v_prenex_2, v_prenex_3, v_prenex_6, v_prenex_7], 2=[|v_#memory_int_82|, |v_#memory_$Pointer$.base_127|, |v_#memory_$Pointer$.base_128|, |v_#memory_$Pointer$.offset_126|, |v_#memory_$Pointer$.offset_127|], 4=[|v_#memory_$Pointer$.base_126|, |v_#memory_$Pointer$.offset_128|]} [2019-11-24 00:35:23,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:23,574 INFO L237 Elim1Store]: Index analysis took 118 ms [2019-11-24 00:35:23,753 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 191 treesize of output 176 [2019-11-24 00:35:23,754 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:26,616 WARN L192 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 143 [2019-11-24 00:35:26,616 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:26,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:26,800 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 123 treesize of output 108 [2019-11-24 00:35:26,800 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:29,189 WARN L192 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 139 [2019-11-24 00:35:29,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:29,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:29,324 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 108 treesize of output 93 [2019-11-24 00:35:29,325 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:31,157 WARN L192 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 134 [2019-11-24 00:35:31,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:31,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:31,272 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 93 treesize of output 78 [2019-11-24 00:35:31,273 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:32,752 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 129 [2019-11-24 00:35:32,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:32,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:32,843 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 123 treesize of output 108 [2019-11-24 00:35:32,844 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:34,212 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 00:35:34,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:34,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:34,275 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 108 treesize of output 93 [2019-11-24 00:35:34,276 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:35,353 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 118 [2019-11-24 00:35:35,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:35,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:35,410 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 93 treesize of output 78 [2019-11-24 00:35:35,410 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:36,121 WARN L192 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-11-24 00:35:36,122 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:36,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:36,189 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 176 treesize of output 161 [2019-11-24 00:35:36,190 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:36,785 WARN L192 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-11-24 00:35:36,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:36,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:36,829 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 161 treesize of output 146 [2019-11-24 00:35:36,830 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:37,213 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-11-24 00:35:37,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:37,233 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 146 treesize of output 134 [2019-11-24 00:35:37,234 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:37,570 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-24 00:35:37,571 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:37,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:37,593 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 78 treesize of output 77 [2019-11-24 00:35:37,594 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:37,859 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-11-24 00:35:37,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:37,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:37,876 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 78 treesize of output 77 [2019-11-24 00:35:37,877 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:38,110 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-24 00:35:38,110 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:38,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:38,128 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 74 treesize of output 73 [2019-11-24 00:35:38,129 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:38,327 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-24 00:35:38,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:38,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:38,351 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 74 treesize of output 73 [2019-11-24 00:35:38,352 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:38,547 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-24 00:35:38,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:38,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:38,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:38,573 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 131 treesize of output 119 [2019-11-24 00:35:38,575 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:38,713 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-24 00:35:38,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:38,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:35:38,730 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 104 [2019-11-24 00:35:38,732 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:38,859 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-11-24 00:35:38,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:38,862 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 00:35:38,862 INFO L221 ElimStorePlain]: Needed 23 recursive calls to eliminate 21 variables, input treesize:433, output treesize:269 [2019-11-24 00:35:38,998 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-11-24 00:35:39,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:35:39,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:39,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:40,022 WARN L192 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-11-24 00:35:40,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:40,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:40,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,013 WARN L192 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-11-24 00:35:41,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:41,238 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_144, |v_#length_30|, v_prenex_179, v_prenex_45], 1=[v_prenex_55, v_prenex_67, v_prenex_156, v_prenex_101, v_prenex_126, v_prenex_27, v_prenex_108, v_prenex_9, v_prenex_75, v_prenex_87], 3=[v_prenex_177, v_prenex_18, v_prenex_90, v_prenex_117, |v_#valid_48|, v_prenex_50], 6=[v_prenex_149, v_prenex_80], 7=[v_prenex_139, v_prenex_60, v_prenex_40], 11=[v_prenex_70]} [2019-11-24 00:35:45,616 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 284 treesize of output 282 [2019-11-24 00:35:45,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:49,815 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 282 treesize of output 280 [2019-11-24 00:35:49,816 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.