/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:57:41,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:57:41,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:57:41,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:57:41,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:57:41,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:57:41,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:57:41,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:57:41,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:57:41,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:57:41,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:57:41,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:57:41,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:57:41,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:57:41,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:57:41,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:57:41,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:57:41,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:57:41,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:57:41,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:57:41,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:57:41,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:57:41,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:57:41,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:57:41,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:57:41,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:57:41,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:57:41,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:57:41,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:57:41,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:57:41,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:57:41,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:57:41,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:57:41,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:57:41,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:57:41,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:57:41,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:57:41,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:57:41,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:57:41,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:57:41,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:57:41,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:57:41,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:57:41,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:57:41,490 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:57:41,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:57:41,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:57:41,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:57:41,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:57:41,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:57:41,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:57:41,492 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:57:41,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:57:41,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:57:41,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:57:41,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:57:41,803 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:57:41,804 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2020-07-17 13:57:41,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00d4a0eb/aee1c6c9bbdc46a8aab2638e3c2c2fa3/FLAG2301dd1b5 [2020-07-17 13:57:42,393 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:57:42,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2020-07-17 13:57:42,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00d4a0eb/aee1c6c9bbdc46a8aab2638e3c2c2fa3/FLAG2301dd1b5 [2020-07-17 13:57:42,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00d4a0eb/aee1c6c9bbdc46a8aab2638e3c2c2fa3 [2020-07-17 13:57:42,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:57:42,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:57:42,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:42,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:57:42,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:57:42,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:42" (1/1) ... [2020-07-17 13:57:42,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c337a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:42, skipping insertion in model container [2020-07-17 13:57:42,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:42" (1/1) ... [2020-07-17 13:57:42,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:57:42,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:57:43,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:43,275 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:57:43,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:43,435 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:57:43,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43 WrapperNode [2020-07-17 13:57:43,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:43,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:57:43,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:57:43,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:57:43,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (1/1) ... [2020-07-17 13:57:43,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:57:43,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:57:43,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:57:43,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:57:43,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (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 [2020-07-17 13:57:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:57:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:57:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:57:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:57:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:57:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:57:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:57:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:57:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:57:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:57:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:57:45,054 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:57:45,054 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:57:45,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:45 BoogieIcfgContainer [2020-07-17 13:57:45,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:57:45,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:57:45,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:57:45,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:57:45,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:57:42" (1/3) ... [2020-07-17 13:57:45,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2943e69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:45, skipping insertion in model container [2020-07-17 13:57:45,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:43" (2/3) ... [2020-07-17 13:57:45,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2943e69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:45, skipping insertion in model container [2020-07-17 13:57:45,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:45" (3/3) ... [2020-07-17 13:57:45,074 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label17.c [2020-07-17 13:57:45,085 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:57:45,094 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:57:45,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:57:45,132 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:57:45,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:57:45,132 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:57:45,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:57:45,133 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:57:45,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:57:45,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:57:45,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:57:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 13:57:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-17 13:57:45,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:45,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:57:45,195 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:45,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:45,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1479057050, now seen corresponding path program 1 times [2020-07-17 13:57:45,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:45,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679374689] [2020-07-17 13:57:45,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:57:45,849 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:57:45,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679374689] [2020-07-17 13:57:45,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:57:45,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:57:45,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861661866] [2020-07-17 13:57:45,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:57:45,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:57:45,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:57:45,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:57:45,880 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 13:57:48,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:57:48,266 INFO L93 Difference]: Finished difference Result 1205 states and 1651 transitions. [2020-07-17 13:57:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 13:57:48,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-07-17 13:57:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:57:48,289 INFO L225 Difference]: With dead ends: 1205 [2020-07-17 13:57:48,290 INFO L226 Difference]: Without dead ends: 627 [2020-07-17 13:57:48,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:57:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-17 13:57:48,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 613. [2020-07-17 13:57:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-17 13:57:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 774 transitions. [2020-07-17 13:57:48,469 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 774 transitions. Word has length 145 [2020-07-17 13:57:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:57:48,470 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 774 transitions. [2020-07-17 13:57:48,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:57:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 774 transitions. [2020-07-17 13:57:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 13:57:48,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:48,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:57:48,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:57:48,482 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:48,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:48,482 INFO L82 PathProgramCache]: Analyzing trace with hash -48105695, now seen corresponding path program 1 times [2020-07-17 13:57:48,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:48,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719339504] [2020-07-17 13:57:48,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:57:49,679 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:57:49,861 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:57:50,210 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:57:50,611 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:57:50,857 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:57:51,128 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:57:51,417 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:57:51,929 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:57:52,262 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:57:52,584 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:57:52,962 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:57:53,623 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:57:54,305 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:57:55,027 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:57:55,796 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:57:56,261 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:57:57,068 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:57:57,553 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:57:58,051 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:57:59,006 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:57:59,840 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:58:00,699 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:58:01,570 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:58:02,123 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:58:03,106 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:58:04,105 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:58:05,153 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:58:06,194 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:58:06,840 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:58:07,538 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:58:08,684 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:58:09,425 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:58:10,633 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:58:11,856 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:58:13,089 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:58:13,862 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:58:14,666 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:58:15,976 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:58:17,702 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:58:18,971 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:58:20,259 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:58:21,071 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:58:21,916 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:58:23,350 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:58:24,820 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:58:26,208 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:58:28,119 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:58:29,513 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:58:30,935 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:58:32,392 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:58:33,883 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:58:35,315 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:58:37,205 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:58:38,528 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:58:39,800 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:58:41,073 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 13:58:42,566 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:58:43,909 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:45,764 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:58:47,094 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:58:48,433 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:49,756 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:58:51,075 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:58:52,438 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:58:54,082 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 13:58:55,331 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:58:56,582 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:58:58,175 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 13:58:59,303 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 13:59:00,292 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 13:59:01,058 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 13:59:01,773 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 13:59:02,530 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:59:03,391 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 13:59:03,977 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:59:04,752 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:59:05,401 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:59:06,066 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:59:06,906 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:59:07,764 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:59:08,647 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:59:09,579 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:59:10,531 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:59:11,260 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:59:12,027 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:59:12,819 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:59:13,628 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:59:14,721 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:59:15,573 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:59:16,730 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:59:17,912 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:59:19,127 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:59:20,370 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:59:21,631 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:59:22,916 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:59:24,204 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:25,198 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:26,550 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:59:27,589 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:59:29,053 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:59:30,495 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 13:59:31,941 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:59:33,444 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:59:34,923 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:59:36,366 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:59:37,818 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 13:59:39,251 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:59:40,684 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:59:42,059 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:59:42,807 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2020-07-17 13:59:42,808 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:59:42,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719339504] [2020-07-17 13:59:42,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:59:42,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [130] imperfect sequences [] total 130 [2020-07-17 13:59:42,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720417073] [2020-07-17 13:59:42,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 131 states [2020-07-17 13:59:42,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:59:42,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2020-07-17 13:59:42,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7183, Invalid=9847, Unknown=0, NotChecked=0, Total=17030 [2020-07-17 13:59:42,825 INFO L87 Difference]: Start difference. First operand 613 states and 774 transitions. Second operand 131 states. [2020-07-17 13:59:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:59:45,439 INFO L93 Difference]: Finished difference Result 1142 states and 1475 transitions. [2020-07-17 13:59:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 13:59:45,445 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 171 [2020-07-17 13:59:45,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:59:45,457 INFO L225 Difference]: With dead ends: 1142 [2020-07-17 13:59:45,457 INFO L226 Difference]: Without dead ends: 551 [2020-07-17 13:59:45,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 114.0s TimeCoverageRelationStatistics Valid=7196, Invalid=10360, Unknown=0, NotChecked=0, Total=17556 [2020-07-17 13:59:45,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-07-17 13:59:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2020-07-17 13:59:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-17 13:59:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2020-07-17 13:59:45,565 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 171 [2020-07-17 13:59:45,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:59:45,565 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2020-07-17 13:59:45,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 131 states. [2020-07-17 13:59:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2020-07-17 13:59:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-17 13:59:45,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:59:45,574 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:59:45,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:59:45,574 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:59:45,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:59:45,574 INFO L82 PathProgramCache]: Analyzing trace with hash 619282751, now seen corresponding path program 1 times [2020-07-17 13:59:45,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:59:45,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689357032] [2020-07-17 13:59:45,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:59:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:59:46,388 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-07-17 13:59:46,569 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-17 13:59:46,799 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 13:59:47,055 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:59:47,336 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:59:47,730 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:59:48,181 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:59:48,459 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:59:48,761 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:59:49,077 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:59:49,698 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:59:50,094 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:59:50,482 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:59:50,910 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:51,714 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:59:52,528 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:59:53,397 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:59:54,306 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:59:54,835 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:59:55,789 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:59:56,368 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:59:56,962 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:59:58,071 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:59:59,088 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:00:00,093 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:00:01,140 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:00:01,841 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:00:03,000 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:00:04,245 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:00:05,515 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:00:06,774 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:00:07,555 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:00:08,357 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:00:09,729 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:00:10,595 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:00:12,056 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:00:13,523 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:00:14,994 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:15,924 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:00:16,864 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:00:18,428 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:00:20,501 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:00:22,025 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:23,671 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:00:24,647 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:00:25,643 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:00:27,417 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:00:29,156 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:00:30,786 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:00:33,058 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:00:34,721 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:00:36,439 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:00:38,176 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:00:39,959 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:00:41,651 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:00:43,908 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:00:45,478 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:00:47,021 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:00:48,555 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:00:50,169 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:00:51,773 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:00:53,903 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:00:55,528 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:57,157 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:00:58,747 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:01:00,368 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:01:02,055 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:01:04,078 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:01:05,585 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:01:07,102 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:01:09,024 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:01:10,378 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:01:11,588 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:01:12,549 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:01:13,428 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:01:14,364 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:01:15,426 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 14:01:16,167 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:01:17,111 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:01:17,901 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:01:18,708 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:01:19,747 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:01:20,804 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:01:21,882 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:01:23,012 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:01:24,168 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:01:25,056 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:01:25,979 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:01:26,933 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:01:27,919 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:01:29,210 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:01:30,234 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:01:31,672 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:01:33,088 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:01:34,563 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:01:36,072 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:01:37,622 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:01:39,182 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:01:40,766 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:01:41,935 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:01:43,623 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:01:44,889 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:01:46,663 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:01:48,386 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 14:01:50,196 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:01:52,013 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:01:53,802 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:01:55,563 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:01:57,350 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:01:59,118 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:02:00,874 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:02:02,567 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 14:02:03,434 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2020-07-17 14:02:03,436 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:02:03,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689357032] [2020-07-17 14:02:03,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:02:03,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [130] imperfect sequences [] total 130 [2020-07-17 14:02:03,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451002718] [2020-07-17 14:02:03,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 131 states [2020-07-17 14:02:03,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:02:03,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2020-07-17 14:02:03,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7182, Invalid=9848, Unknown=0, NotChecked=0, Total=17030 [2020-07-17 14:02:03,446 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand 131 states. [2020-07-17 14:02:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:02:07,734 INFO L93 Difference]: Finished difference Result 1687 states and 2175 transitions. [2020-07-17 14:02:07,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 14:02:07,738 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 179 [2020-07-17 14:02:07,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:02:07,750 INFO L225 Difference]: With dead ends: 1687 [2020-07-17 14:02:07,750 INFO L226 Difference]: Without dead ends: 1182 [2020-07-17 14:02:07,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1844 ImplicationChecksByTransitivity, 137.9s TimeCoverageRelationStatistics Valid=7226, Invalid=11680, Unknown=0, NotChecked=0, Total=18906 [2020-07-17 14:02:07,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2020-07-17 14:02:07,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 865. [2020-07-17 14:02:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2020-07-17 14:02:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1094 transitions. [2020-07-17 14:02:07,923 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1094 transitions. Word has length 179 [2020-07-17 14:02:07,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:02:07,926 INFO L479 AbstractCegarLoop]: Abstraction has 865 states and 1094 transitions. [2020-07-17 14:02:07,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 131 states. [2020-07-17 14:02:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1094 transitions. [2020-07-17 14:02:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-17 14:02:07,932 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:02:07,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:02:07,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:02:07,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:02:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:02:07,934 INFO L82 PathProgramCache]: Analyzing trace with hash 762538066, now seen corresponding path program 1 times [2020-07-17 14:02:07,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:02:07,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230901647] [2020-07-17 14:02:07,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:02:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:02:08,250 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:02:08,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230901647] [2020-07-17 14:02:08,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:02:08,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:02:08,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915403869] [2020-07-17 14:02:08,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:02:08,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:02:08,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:02:08,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:02:08,252 INFO L87 Difference]: Start difference. First operand 865 states and 1094 transitions. Second operand 5 states. [2020-07-17 14:02:10,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:02:10,633 INFO L93 Difference]: Finished difference Result 2343 states and 3105 transitions. [2020-07-17 14:02:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 14:02:10,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-07-17 14:02:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:02:10,647 INFO L225 Difference]: With dead ends: 2343 [2020-07-17 14:02:10,648 INFO L226 Difference]: Without dead ends: 1500 [2020-07-17 14:02:10,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 14:02:10,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2020-07-17 14:02:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1331. [2020-07-17 14:02:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2020-07-17 14:02:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1680 transitions. [2020-07-17 14:02:10,834 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1680 transitions. Word has length 183 [2020-07-17 14:02:10,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:02:10,834 INFO L479 AbstractCegarLoop]: Abstraction has 1331 states and 1680 transitions. [2020-07-17 14:02:10,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:02:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1680 transitions. [2020-07-17 14:02:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-17 14:02:10,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:02:10,842 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:02:10,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:02:10,843 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:02:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:02:10,843 INFO L82 PathProgramCache]: Analyzing trace with hash 329651812, now seen corresponding path program 1 times [2020-07-17 14:02:10,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:02:10,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101201940] [2020-07-17 14:02:10,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:02:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:02:12,103 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-17 14:02:12,338 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-17 14:02:12,600 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-17 14:02:12,830 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:02:13,054 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 14:02:13,537 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-07-17 14:02:14,239 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:02:14,579 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:02:14,943 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:02:15,332 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:02:16,088 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 14:02:16,529 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:02:17,004 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:02:17,523 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:02:18,482 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:02:19,477 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:02:20,522 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:02:21,632 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:02:22,261 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:02:23,415 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:02:24,113 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 14:02:24,815 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:02:26,135 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-07-17 14:02:27,361 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-07-17 14:02:28,592 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 14:02:29,892 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 14:02:30,689 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 14:02:32,058 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:02:33,513 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:02:35,028 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:02:36,529 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 14:02:37,465 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 14:02:38,411 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 14:02:40,082 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:02:41,102 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:02:42,830 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:02:44,573 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:02:46,398 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:02:47,504 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:02:48,646 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:02:50,540 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2020-07-17 14:02:53,086 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-07-17 14:02:54,965 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:02:56,862 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-07-17 14:02:58,058 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:02:59,282 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:03:01,315 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 14:03:03,468 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 14:03:05,491 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 14:03:08,295 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:03:10,366 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:03:12,475 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2020-07-17 14:03:14,634 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 14:03:16,824 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:03:18,922 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 14:03:21,834 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:03:23,826 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2020-07-17 14:03:25,755 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:03:27,710 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:03:29,753 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:03:31,811 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:03:34,528 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:03:36,597 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:03:38,697 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:03:40,789 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:03:42,872 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:03:45,006 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2020-07-17 14:03:47,593 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-07-17 14:03:49,574 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:03:51,557 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 14:03:54,120 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-07-17 14:03:55,954 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-07-17 14:03:57,552 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-07-17 14:03:58,815 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-07-17 14:03:59,998 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2020-07-17 14:04:01,254 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-07-17 14:04:02,619 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-07-17 14:04:03,596 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:04:04,852 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:04:05,885 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:04:06,961 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:04:08,380 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 14:04:09,777 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 14:04:11,199 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 14:04:12,725 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 14:04:14,287 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:04:15,484 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:04:16,717 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:04:17,981 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:04:19,254 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:04:21,023 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 14:04:22,417 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:04:24,337 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 14:04:26,224 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:04:28,173 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 14:04:30,168 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:04:32,237 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:04:34,329 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:04:36,464 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:04:38,091 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:04:40,399 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:04:42,026 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:04:44,400 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:04:46,762 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 14:04:49,199 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:04:51,751 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:04:54,182 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:04:56,657 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:04:59,046 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 14:05:01,347 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:05:03,789 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 14:05:06,249 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 14:05:07,284 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2020-07-17 14:05:07,286 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:05:07,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101201940] [2020-07-17 14:05:07,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:05:07,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [137] imperfect sequences [] total 137 [2020-07-17 14:05:07,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804586794] [2020-07-17 14:05:07,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 138 states [2020-07-17 14:05:07,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:05:07,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2020-07-17 14:05:07,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7104, Invalid=11802, Unknown=0, NotChecked=0, Total=18906 [2020-07-17 14:05:07,292 INFO L87 Difference]: Start difference. First operand 1331 states and 1680 transitions. Second operand 138 states. [2020-07-17 14:05:08,113 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:05:08,256 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:05:08,541 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2020-07-17 14:05:08,961 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 89 [2020-07-17 14:05:09,261 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:05:09,818 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 92 [2020-07-17 14:05:10,544 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 93 [2020-07-17 14:05:11,493 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2020-07-17 14:05:12,818 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-07-17 14:05:14,073 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 107 [2020-07-17 14:05:14,210 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:05:14,380 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:05:14,635 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 14:05:15,621 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 108 [2020-07-17 14:05:15,984 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:05:16,201 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-17 14:05:16,518 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 14:05:16,649 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:05:17,013 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 14:05:17,156 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:05:17,573 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:05:17,790 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:05:18,458 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 14:05:18,725 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:05:19,808 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 111 [2020-07-17 14:05:20,310 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 14:05:20,611 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:05:21,495 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-07-17 14:05:22,005 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 14:05:22,337 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:05:22,985 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:05:23,338 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 14:05:24,298 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 107 [2020-07-17 14:05:24,937 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 14:05:25,337 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 14:05:26,241 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-07-17 14:05:26,890 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-17 14:05:27,339 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 14:05:28,695 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2020-07-17 14:05:29,179 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 14:05:30,318 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 105 [2020-07-17 14:05:30,865 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 14:05:32,273 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-07-17 14:05:32,859 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 14:05:33,542 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 14:05:35,008 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-07-17 14:05:35,704 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:05:37,250 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-07-17 14:05:37,710 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2020-07-17 14:05:38,387 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 14:05:39,967 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2020-07-17 14:05:40,423 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-07-17 14:05:41,197 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-17 14:05:42,836 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2020-07-17 14:05:43,785 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-17 14:05:44,311 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 88 [2020-07-17 14:05:46,016 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2020-07-17 14:05:46,855 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-07-17 14:05:47,361 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-07-17 14:05:48,283 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:05:48,910 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-07-17 14:05:50,707 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2020-07-17 14:05:51,619 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-07-17 14:05:53,729 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2020-07-17 14:05:54,687 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 14:05:55,748 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 14:05:57,662 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2020-07-17 14:05:58,649 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:05:59,281 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-07-17 14:06:01,032 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2020-07-17 14:06:02,037 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:06:02,763 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 91 [2020-07-17 14:06:04,623 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-07-17 14:06:05,666 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:06:07,024 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 151 DAG size of output: 106 [2020-07-17 14:06:08,991 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 138 DAG size of output: 135 [2020-07-17 14:06:10,097 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:06:10,439 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2020-07-17 14:06:11,638 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:06:12,088 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2020-07-17 14:06:14,115 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2020-07-17 14:06:15,154 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:06:17,278 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2020-07-17 14:06:18,403 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:06:20,596 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-07-17 14:06:21,733 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:06:23,052 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 152 DAG size of output: 107 [2020-07-17 14:06:25,230 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-07-17 14:06:26,000 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2020-07-17 14:06:27,175 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:06:28,309 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 104 [2020-07-17 14:06:30,637 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2020-07-17 14:06:32,075 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:06:33,464 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2020-07-17 14:06:35,920 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2020-07-17 14:06:37,407 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:06:40,020 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2020-07-17 14:06:40,474 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:06:41,797 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:06:42,051 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:06:44,664 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 14:06:46,034 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:06:48,766 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 14:06:50,180 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:06:52,948 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-07-17 14:06:54,421 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:06:54,950 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:06:56,503 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:06:59,398 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-07-17 14:07:00,955 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:07:01,791 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2020-07-17 14:07:04,690 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2020-07-17 14:07:06,282 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:07:09,097 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-07-17 14:07:10,085 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 94 [2020-07-17 14:07:11,670 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:07:14,354 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 14:07:15,403 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 14:07:17,022 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:07:19,809 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-07-17 14:07:21,482 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:07:24,358 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2020-07-17 14:07:26,053 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:07:26,287 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-17 14:07:29,244 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-07-17 14:07:31,021 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:07:34,167 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2020-07-17 14:07:35,900 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:07:36,328 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-07-17 14:07:39,397 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2020-07-17 14:07:41,071 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:07:44,312 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 151 DAG size of output: 147 [2020-07-17 14:07:46,023 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:07:49,103 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-07-17 14:07:50,848 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:07:53,959 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-07-17 14:07:55,783 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 14:07:59,116 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2020-07-17 14:08:01,010 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 14:08:01,334 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-17 14:08:04,351 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2020-07-17 14:08:06,249 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 14:08:06,680 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2020-07-17 14:08:09,915 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-07-17 14:08:11,794 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:08:13,874 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:08:16,921 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 147 DAG size of output: 142 [2020-07-17 14:08:18,935 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 14:08:21,357 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 14:08:24,376 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2020-07-17 14:08:26,480 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 14:08:27,394 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-07-17 14:08:28,246 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2020-07-17 14:08:30,982 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2020-07-17 14:08:33,128 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 14:08:34,492 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 98 [2020-07-17 14:08:35,779 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-07-17 14:08:37,592 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:08:38,313 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2020-07-17 14:08:40,525 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:08:41,778 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2020-07-17 14:08:43,505 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:08:44,421 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2020-07-17 14:08:44,695 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2020-07-17 14:08:46,398 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:08:46,776 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-07-17 14:08:49,424 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-17 14:08:49,863 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-07-17 14:08:51,451 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:08:53,876 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:08:55,678 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:08:56,718 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 97 [2020-07-17 14:08:57,109 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2020-07-17 14:08:59,445 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:09:00,991 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:09:01,819 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2020-07-17 14:09:04,106 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-17 14:09:05,317 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 100 [2020-07-17 14:09:06,820 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:09:07,464 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-07-17 14:09:08,173 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 97 [2020-07-17 14:09:08,379 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 14:09:10,495 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-07-17 14:09:12,049 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:09:12,385 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-07-17 14:09:14,458 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-17 14:09:14,734 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-07-17 14:09:16,057 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:09:17,038 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2020-07-17 14:09:18,863 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 140 DAG size of output: 134 [2020-07-17 14:09:20,213 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:09:20,883 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2020-07-17 14:09:22,582 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-07-17 14:09:23,983 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:09:25,669 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-07-17 14:09:27,071 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:09:28,721 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2020-07-17 14:09:30,110 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:09:31,561 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-07-17 14:09:32,807 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:09:34,156 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:09:35,206 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 14:09:36,519 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:09:37,576 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 14:09:38,836 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:09:39,505 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2020-07-17 14:09:40,596 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 14:09:41,812 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:09:42,866 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 14:09:43,899 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2020-07-17 14:09:44,943 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-07-17 14:09:46,051 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 14:09:46,869 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 14:09:47,664 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2020-07-17 14:09:48,815 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 14:09:49,649 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 14:09:50,947 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 14:09:51,807 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 14:09:53,141 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 14:09:53,960 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 14:09:55,279 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 14:09:56,452 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 14:09:57,820 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 14:09:58,690 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 14:09:59,165 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2020-07-17 14:10:00,510 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 14:10:01,430 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 14:10:02,532 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:10:03,990 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 14:10:04,955 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:10:06,451 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-07-17 14:10:07,465 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:10:08,318 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 100 [2020-07-17 14:10:09,829 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-07-17 14:10:10,831 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 14:10:11,960 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 14:10:13,521 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 14:10:14,592 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 14:10:16,223 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 14:10:17,287 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 14:10:18,100 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2020-07-17 14:10:19,713 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-07-17 14:10:20,815 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 14:10:22,495 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 14:10:23,628 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 14:10:25,334 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 14:10:26,477 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:10:28,214 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-07-17 14:10:29,368 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:10:31,171 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-07-17 14:10:32,383 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 14:10:33,653 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-17 14:10:35,521 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2020-07-17 14:10:36,739 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-17 14:10:38,659 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2020-07-17 14:10:39,945 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-07-17 14:10:41,991 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-07-17 14:10:43,340 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 14:10:44,761 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 14:10:46,969 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-07-17 14:10:48,325 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-17 14:10:50,453 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2020-07-17 14:10:51,826 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-17 14:10:54,005 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-07-17 14:10:55,639 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-17 14:10:57,966 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-07-17 14:10:59,470 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-07-17 14:11:01,685 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2020-07-17 14:11:03,223 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:11:05,413 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-07-17 14:11:06,983 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-07-17 14:11:09,156 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-07-17 14:11:10,734 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 129