/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/array-tiling/nr4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:25:29,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:25:29,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:25:29,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:25:29,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:25:29,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:25:29,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:25:29,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:25:29,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:25:29,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:25:29,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:25:29,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:25:29,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:25:29,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:25:29,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:25:29,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:25:29,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:25:29,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:25:29,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:25:29,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:25:29,239 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 [2019-11-23 23:25:29,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:25:29,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:25:29,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:25:29,273 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:25:29,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:25:29,273 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:25:29,273 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:25:29,273 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:25:29,275 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:25:29,275 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:25:29,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:25:29,275 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:25:29,275 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:25:29,276 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:25:29,276 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:25:29,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:25:29,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:25:29,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:25:29,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:25:29,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:25:29,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:25:29,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:25:29,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:25:29,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:25:29,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:25:29,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:25:29,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:25:29,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:25:29,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:25:29,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:25:29,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:25:29,282 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:25:29,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:25:29,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:25:29,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:25:29,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:25:29,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:25:29,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/nr4.c [2019-11-23 23:25:29,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b4de645/0e093a3b82ff46778ddbc566de5e2ed0/FLAGba530d7ea [2019-11-23 23:25:30,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:25:30,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/nr4.c [2019-11-23 23:25:30,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b4de645/0e093a3b82ff46778ddbc566de5e2ed0/FLAGba530d7ea [2019-11-23 23:25:30,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b4de645/0e093a3b82ff46778ddbc566de5e2ed0 [2019-11-23 23:25:30,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:25:30,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:25:30,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:25:30,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:25:30,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:25:30,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1348e435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30, skipping insertion in model container [2019-11-23 23:25:30,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:25:30,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:25:30,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:25:30,675 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:25:30,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:25:30,710 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:25:30,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30 WrapperNode [2019-11-23 23:25:30,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:25:30,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:25:30,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:25:30,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:25:30,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:25:30,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:25:30,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:25:30,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:25:30,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (1/1) ... [2019-11-23 23:25:30,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:25:30,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:25:30,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:25:30,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:25:30,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (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 [2019-11-23 23:25:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:25:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:25:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:25:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:25:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:25:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:25:31,361 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:25:31,362 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-23 23:25:31,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:31 BoogieIcfgContainer [2019-11-23 23:25:31,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:25:31,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:25:31,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:25:31,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:25:31,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:25:30" (1/3) ... [2019-11-23 23:25:31,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b174186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:25:31, skipping insertion in model container [2019-11-23 23:25:31,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:30" (2/3) ... [2019-11-23 23:25:31,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b174186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:25:31, skipping insertion in model container [2019-11-23 23:25:31,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:31" (3/3) ... [2019-11-23 23:25:31,370 INFO L109 eAbstractionObserver]: Analyzing ICFG nr4.c [2019-11-23 23:25:31,378 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:25:31,385 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:25:31,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:25:31,416 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:25:31,416 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:25:31,416 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:25:31,416 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:25:31,417 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:25:31,417 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:25:31,417 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:25:31,417 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:25:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-23 23:25:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-23 23:25:31,434 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:31,435 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:31,435 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash -116069518, now seen corresponding path program 1 times [2019-11-23 23:25:31,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:31,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979620189] [2019-11-23 23:25:31,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:31,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979620189] [2019-11-23 23:25:31,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:25:31,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:25:31,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012661411] [2019-11-23 23:25:31,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:25:31,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:25:31,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:25:31,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:25:31,781 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states. [2019-11-23 23:25:31,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:25:31,860 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2019-11-23 23:25:31,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:25:31,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-23 23:25:31,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:25:31,877 INFO L225 Difference]: With dead ends: 26 [2019-11-23 23:25:31,877 INFO L226 Difference]: Without dead ends: 12 [2019-11-23 23:25:31,882 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:25:31,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-23 23:25:31,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-23 23:25:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-23 23:25:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-11-23 23:25:31,923 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 7 [2019-11-23 23:25:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:25:31,924 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-11-23 23:25:31,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:25:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-23 23:25:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-23 23:25:31,925 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:31,925 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:31,925 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:31,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:31,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2051170697, now seen corresponding path program 1 times [2019-11-23 23:25:31,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:31,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935237342] [2019-11-23 23:25:31,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:31,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935237342] [2019-11-23 23:25:31,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:25:31,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:25:31,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415848134] [2019-11-23 23:25:31,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:25:31,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:25:31,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:25:31,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:25:31,995 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-11-23 23:25:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:25:32,013 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2019-11-23 23:25:32,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:25:32,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-23 23:25:32,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:25:32,015 INFO L225 Difference]: With dead ends: 19 [2019-11-23 23:25:32,015 INFO L226 Difference]: Without dead ends: 12 [2019-11-23 23:25:32,016 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:25:32,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-23 23:25:32,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-23 23:25:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-23 23:25:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-11-23 23:25:32,023 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 9 [2019-11-23 23:25:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:25:32,024 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-11-23 23:25:32,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:25:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-23 23:25:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 23:25:32,025 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:32,025 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:32,025 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:32,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:32,027 INFO L82 PathProgramCache]: Analyzing trace with hash 774643838, now seen corresponding path program 1 times [2019-11-23 23:25:32,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:32,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272064508] [2019-11-23 23:25:32,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:32,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272064508] [2019-11-23 23:25:32,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192867301] [2019-11-23 23:25:32,077 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 [2019-11-23 23:25:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:32,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:25:32,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:25:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:32,160 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:25:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:32,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [692085151] [2019-11-23 23:25:32,219 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-23 23:25:32,219 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:25:32,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:25:32,232 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:25:32,233 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:25:32,487 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,544 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,553 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,713 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,725 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,764 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,775 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:32,785 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,005 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,026 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,082 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,151 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,192 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,222 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,233 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,458 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,500 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,578 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,594 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,605 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,622 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,698 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,709 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:33,721 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,182 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,206 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,231 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,254 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,300 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,384 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,396 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,430 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,446 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,482 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,499 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,553 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,822 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,831 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,839 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:34,899 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,009 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,021 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,037 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,158 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,175 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,186 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,282 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,291 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,469 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,481 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,681 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,699 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,745 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,826 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,934 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,945 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:35,961 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,016 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,030 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,045 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,475 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,491 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,514 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,528 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,572 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,663 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,699 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,819 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,827 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:36,863 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,200 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,277 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,309 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,478 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,607 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,613 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,920 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,959 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:37,991 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:38,209 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:38,333 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:38,374 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:38,483 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-23 23:25:38,768 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-11-23 23:25:38,931 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 7 [2019-11-23 23:25:38,967 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:25:38,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-23 23:25:38,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2019-11-23 23:25:38,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239632029] [2019-11-23 23:25:38,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:25:38,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:25:38,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:25:38,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-23 23:25:38,969 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 6 states. [2019-11-23 23:25:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:25:38,993 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2019-11-23 23:25:38,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 23:25:38,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-23 23:25:38,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:25:38,997 INFO L225 Difference]: With dead ends: 23 [2019-11-23 23:25:38,997 INFO L226 Difference]: Without dead ends: 15 [2019-11-23 23:25:38,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-23 23:25:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-23 23:25:39,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-23 23:25:39,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-23 23:25:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-23 23:25:39,005 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2019-11-23 23:25:39,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:25:39,006 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-23 23:25:39,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:25:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-11-23 23:25:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-23 23:25:39,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:39,008 INFO L410 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:39,211 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:25:39,211 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:39,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1850828855, now seen corresponding path program 2 times [2019-11-23 23:25:39,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:39,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314244393] [2019-11-23 23:25:39,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:39,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314244393] [2019-11-23 23:25:39,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241667430] [2019-11-23 23:25:39,766 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:25:39,815 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-11-23 23:25:39,816 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 23:25:39,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-23 23:25:39,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:25:39,928 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:40,257 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-11-23 23:25:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:40,544 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:25:41,120 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 20 [2019-11-23 23:25:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:41,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1916746723] [2019-11-23 23:25:41,209 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-23 23:25:41,210 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:25:41,210 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:25:41,210 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:25:41,210 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:25:41,260 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,266 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,271 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,289 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,322 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,331 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,348 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,371 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,387 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,505 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,514 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,581 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,589 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,599 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,617 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,626 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,779 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,796 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,810 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,879 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,939 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:41,950 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,002 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,013 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,037 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,221 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,260 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,276 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,290 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,304 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,409 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,450 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,463 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,476 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,487 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,573 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,585 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,914 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,924 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,943 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:42,949 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,030 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,065 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,074 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,190 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,203 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,214 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,265 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,272 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,413 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,425 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,442 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,543 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,560 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,578 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,613 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,628 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,638 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,648 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,724 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:43,896 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,281 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,354 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,422 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,433 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,447 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,459 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,538 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,550 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,587 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:44,599 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,043 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,155 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,161 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,238 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,317 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,410 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,650 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,658 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,676 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:45,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:46,059 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:46,144 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:46,221 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-23 23:25:46,496 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-11-23 23:25:46,787 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-11-23 23:25:47,267 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 42 [2019-11-23 23:25:47,268 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:25:47,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-23 23:25:47,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 10] total 26 [2019-11-23 23:25:47,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860244535] [2019-11-23 23:25:47,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-23 23:25:47,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:25:47,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-23 23:25:47,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=893, Unknown=0, NotChecked=0, Total=1056 [2019-11-23 23:25:47,272 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 26 states. [2019-11-23 23:25:47,537 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-11-23 23:25:47,725 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2019-11-23 23:25:47,914 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2019-11-23 23:25:50,077 WARN L192 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2019-11-23 23:25:50,567 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2019-11-23 23:25:52,864 WARN L192 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-11-23 23:25:53,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:25:53,520 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2019-11-23 23:25:53,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-23 23:25:53,522 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 13 [2019-11-23 23:25:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:25:53,523 INFO L225 Difference]: With dead ends: 51 [2019-11-23 23:25:53,523 INFO L226 Difference]: Without dead ends: 49 [2019-11-23 23:25:53,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=474, Invalid=2178, Unknown=0, NotChecked=0, Total=2652 [2019-11-23 23:25:53,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-23 23:25:53,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 29. [2019-11-23 23:25:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-23 23:25:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2019-11-23 23:25:53,533 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 13 [2019-11-23 23:25:53,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:25:53,533 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2019-11-23 23:25:53,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-23 23:25:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2019-11-23 23:25:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-23 23:25:53,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:53,535 INFO L410 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:53,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:25:53,738 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:53,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:53,738 INFO L82 PathProgramCache]: Analyzing trace with hash 290653136, now seen corresponding path program 1 times [2019-11-23 23:25:53,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:53,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539544489] [2019-11-23 23:25:53,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:54,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539544489] [2019-11-23 23:25:54,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147311926] [2019-11-23 23:25:54,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:25:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:54,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-23 23:25:54,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:25:54,536 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:54,740 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:54,969 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:55,197 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:55,375 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:55,508 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:57,946 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:26:04,891 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2019-11-23 23:26:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 26 refuted. 4 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 23:26:05,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [885254499] [2019-11-23 23:26:05,306 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-23 23:26:05,306 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:26:05,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:26:05,307 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:26:05,307 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:26:05,382 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,427 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,436 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,507 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,547 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,560 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,572 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,617 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,772 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,823 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,894 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,909 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,925 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,939 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:05,953 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,219 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,394 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,416 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,438 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,490 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,530 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,594 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,612 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,627 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:06,900 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,081 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,244 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,269 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,294 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,315 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,381 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,407 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,433 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,531 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,592 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,609 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:07,816 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 142 [2019-11-23 23:26:08,060 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,158 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,170 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,184 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,337 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,358 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,487 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,504 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,556 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,570 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,585 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,717 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:08,990 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,054 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,081 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,256 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,521 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,546 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,566 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,587 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,606 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,803 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,822 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:09,871 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,317 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,338 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,630 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,651 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,673 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,691 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,701 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,711 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,745 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:10,758 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:11,111 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:11,221 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:11,291 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:11,391 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:11,567 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:11,621 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:17,418 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 292 [2019-11-23 23:26:18,496 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 279 [2019-11-23 23:26:19,776 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 280 [2019-11-23 23:26:22,208 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 286 [2019-11-23 23:26:24,602 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 293 [2019-11-23 23:26:24,781 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 364 [2019-11-23 23:26:26,893 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 342 [2019-11-23 23:26:31,094 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2019-11-23 23:26:31,228 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 343 [2019-11-23 23:26:35,506 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2019-11-23 23:26:35,644 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 346 [2019-11-23 23:26:39,778 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-11-23 23:26:39,918 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 349 [2019-11-23 23:26:44,183 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-11-23 23:26:44,323 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 352 [2019-11-23 23:26:48,439 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2019-11-23 23:26:48,583 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 355 [2019-11-23 23:26:53,056 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2019-11-23 23:26:53,205 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 358 [2019-11-23 23:26:57,796 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-11-23 23:26:57,947 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 361