/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/Problem01_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:43:42,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:43:42,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:43:42,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:43:42,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:43:42,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:43:42,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:43:42,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:43:42,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:43:42,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:43:42,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:43:42,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:43:42,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:43:42,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:43:42,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:43:42,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:43:42,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:43:42,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:43:42,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:43:42,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:43:42,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:43:42,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:43:42,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:43:42,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:43:42,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:43:42,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:43:42,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:43:42,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:43:42,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:43:42,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:43:42,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:43:42,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:43:42,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:43:42,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:43:42,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:43:42,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:43:42,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:43:42,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:43:42,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:43:42,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:43:42,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:43:42,170 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 13:43:42,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:43:42,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:43:42,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:43:42,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:43:42,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:43:42,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:43:42,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:43:42,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:43:42,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:43:42,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:43:42,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:43:42,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:43:42,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:43:42,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:43:42,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:43:42,183 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:43:42,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:43:42,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:43:42,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:43:42,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:43:42,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:43:42,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:43:42,184 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:43:42,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:43:42,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:43:42,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:43:42,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:43:42,506 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:43:42,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2020-07-17 13:43:42,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3549b14/8594efec66ae438c92adc91ffc702e6f/FLAG76822965e [2020-07-17 13:43:43,060 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:43:43,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2020-07-17 13:43:43,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3549b14/8594efec66ae438c92adc91ffc702e6f/FLAG76822965e [2020-07-17 13:43:43,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3549b14/8594efec66ae438c92adc91ffc702e6f [2020-07-17 13:43:43,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:43:43,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:43:43,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:43:43,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:43:43,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:43:43,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:43:43" (1/1) ... [2020-07-17 13:43:43,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1752101b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:43, skipping insertion in model container [2020-07-17 13:43:43,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:43:43" (1/1) ... [2020-07-17 13:43:43,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:43:43,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:43:43,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:43:43,842 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:43:44,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:43:44,105 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:43:44,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44 WrapperNode [2020-07-17 13:43:44,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:43:44,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:43:44,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:43:44,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:43:44,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:43:44,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:43:44,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:43:44,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:43:44,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (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 13:43:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:43:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:43:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:43:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:43:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:43:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:43:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:43:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:43:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:43:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:43:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:43:45,528 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:43:45,528 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:43:45,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:43:45 BoogieIcfgContainer [2020-07-17 13:43:45,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:43:45,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:43:45,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:43:45,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:43:45,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:43:43" (1/3) ... [2020-07-17 13:43:45,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48befcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:43:45, skipping insertion in model container [2020-07-17 13:43:45,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (2/3) ... [2020-07-17 13:43:45,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48befcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:43:45, skipping insertion in model container [2020-07-17 13:43:45,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:43:45" (3/3) ... [2020-07-17 13:43:45,545 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label42.c [2020-07-17 13:43:45,556 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:43:45,569 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:43:45,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:43:45,603 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:43:45,604 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:43:45,604 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:43:45,604 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:43:45,604 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:43:45,605 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:43:45,605 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:43:45,605 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:43:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-07-17 13:43:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 13:43:45,652 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:45,654 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] [2020-07-17 13:43:45,654 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:45,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:45,661 INFO L82 PathProgramCache]: Analyzing trace with hash 907543029, now seen corresponding path program 1 times [2020-07-17 13:43:45,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:45,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976935544] [2020-07-17 13:43:45,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:46,301 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 13:43:46,304 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:43:46,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976935544] [2020-07-17 13:43:46,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:43:46,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:43:46,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343684755] [2020-07-17 13:43:46,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:43:46,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:43:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:43:46,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:43:46,334 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 5 states. [2020-07-17 13:43:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:43:49,104 INFO L93 Difference]: Finished difference Result 1360 states and 1895 transitions. [2020-07-17 13:43:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 13:43:49,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-07-17 13:43:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:43:49,129 INFO L225 Difference]: With dead ends: 1360 [2020-07-17 13:43:49,129 INFO L226 Difference]: Without dead ends: 781 [2020-07-17 13:43:49,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:43:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-07-17 13:43:49,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 746. [2020-07-17 13:43:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-07-17 13:43:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 914 transitions. [2020-07-17 13:43:49,340 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 914 transitions. Word has length 143 [2020-07-17 13:43:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:43:49,341 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 914 transitions. [2020-07-17 13:43:49,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:43:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 914 transitions. [2020-07-17 13:43:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-17 13:43:49,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:49,349 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-07-17 13:43:49,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:43:49,350 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:49,351 INFO L82 PathProgramCache]: Analyzing trace with hash -581235324, now seen corresponding path program 1 times [2020-07-17 13:43:49,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:49,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576579869] [2020-07-17 13:43:49,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:49,591 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 13:43:50,177 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:43:50,324 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:43:50,635 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:43:50,846 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:43:51,072 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:43:51,344 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:43:51,661 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:43:51,962 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:43:52,520 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:43:53,415 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:43:53,780 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:43:54,436 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:43:54,827 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:43:55,548 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:43:56,005 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:43:56,458 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:43:56,952 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:43:57,466 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:43:58,036 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:43:58,598 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:43:59,188 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:43:59,829 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:44:00,501 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:44:01,733 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:44:02,926 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:44:04,174 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:44:05,441 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:44:06,230 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:44:07,550 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:09,436 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-07-17 13:44:10,814 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:12,686 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:13,509 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:44:14,343 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:44:15,839 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:44:16,744 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:44:17,680 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:44:19,926 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:21,528 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:23,184 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 13:44:24,842 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:26,525 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:44:28,202 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:44:29,867 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:44:31,629 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:32,678 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:44:35,026 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:44:36,690 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:44:38,369 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:44:40,050 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:41,723 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-07-17 13:44:44,028 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:45,721 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:47,350 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:44:48,971 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:44:50,956 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-07-17 13:44:52,443 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:44:53,882 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:44:55,949 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:44:57,661 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-07-17 13:44:59,054 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:45:00,237 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-07-17 13:45:01,274 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 13:45:02,084 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-07-17 13:45:02,653 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:45:03,256 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:45:04,053 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:45:04,693 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:45:05,524 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:45:06,406 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:45:07,109 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:45:07,995 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:45:08,692 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:45:09,417 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:45:10,409 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:45:11,368 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:45:12,361 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:45:13,323 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:45:14,070 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:45:15,082 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:45:16,087 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:45:17,071 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:45:18,066 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:45:19,123 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:45:20,207 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:45:21,339 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:45:22,527 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:45:23,727 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:45:24,922 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:45:26,053 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:45:27,199 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:45:28,104 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:45:29,346 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:45:30,595 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:45:31,549 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:45:32,798 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 13:45:34,102 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:45:35,398 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:45:36,653 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:45:37,638 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:45:38,948 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:45:40,309 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:45:41,654 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:45:42,996 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:45:44,364 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:45:45,766 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:45:47,168 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:45:47,961 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-07-17 13:45:47,962 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:45:47,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576579869] [2020-07-17 13:45:47,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:45:47,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [126] imperfect sequences [] total 126 [2020-07-17 13:45:47,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109025604] [2020-07-17 13:45:47,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 127 states [2020-07-17 13:45:47,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:45:47,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2020-07-17 13:45:47,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6713, Invalid=9289, Unknown=0, NotChecked=0, Total=16002 [2020-07-17 13:45:47,976 INFO L87 Difference]: Start difference. First operand 746 states and 914 transitions. Second operand 127 states. [2020-07-17 13:45:51,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:45:51,873 INFO L93 Difference]: Finished difference Result 1887 states and 2410 transitions. [2020-07-17 13:45:51,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:45:51,874 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 164 [2020-07-17 13:45:51,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:45:51,891 INFO L225 Difference]: With dead ends: 1887 [2020-07-17 13:45:51,891 INFO L226 Difference]: Without dead ends: 1165 [2020-07-17 13:45:51,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1534 ImplicationChecksByTransitivity, 118.5s TimeCoverageRelationStatistics Valid=6743, Invalid=10549, Unknown=0, NotChecked=0, Total=17292 [2020-07-17 13:45:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-07-17 13:45:52,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1038. [2020-07-17 13:45:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-07-17 13:45:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1317 transitions. [2020-07-17 13:45:52,045 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1317 transitions. Word has length 164 [2020-07-17 13:45:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:45:52,046 INFO L479 AbstractCegarLoop]: Abstraction has 1038 states and 1317 transitions. [2020-07-17 13:45:52,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 127 states. [2020-07-17 13:45:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1317 transitions. [2020-07-17 13:45:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-17 13:45:52,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:45:52,051 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-07-17 13:45:52,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:45:52,052 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:45:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:45:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1914810438, now seen corresponding path program 1 times [2020-07-17 13:45:52,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:45:52,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828912323] [2020-07-17 13:45:52,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:45:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:52,399 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 13:45:52,400 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:45:52,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828912323] [2020-07-17 13:45:52,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:45:52,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:45:52,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917855816] [2020-07-17 13:45:52,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:45:52,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:45:52,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:45:52,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:45:52,410 INFO L87 Difference]: Start difference. First operand 1038 states and 1317 transitions. Second operand 5 states. [2020-07-17 13:45:54,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:45:54,844 INFO L93 Difference]: Finished difference Result 2682 states and 3511 transitions. [2020-07-17 13:45:54,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:45:54,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-07-17 13:45:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:45:54,866 INFO L225 Difference]: With dead ends: 2682 [2020-07-17 13:45:54,867 INFO L226 Difference]: Without dead ends: 1668 [2020-07-17 13:45:54,875 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 13:45:54,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-07-17 13:45:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1183. [2020-07-17 13:45:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-07-17 13:45:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1475 transitions. [2020-07-17 13:45:55,090 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1475 transitions. Word has length 164 [2020-07-17 13:45:55,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:45:55,091 INFO L479 AbstractCegarLoop]: Abstraction has 1183 states and 1475 transitions. [2020-07-17 13:45:55,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:45:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1475 transitions. [2020-07-17 13:45:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-17 13:45:55,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:45:55,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-17 13:45:55,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:45:55,101 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:45:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:45:55,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1554589942, now seen corresponding path program 1 times [2020-07-17 13:45:55,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:45:55,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015616831] [2020-07-17 13:45:55,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:45:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:55,355 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 13:45:56,024 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:45:56,171 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:45:56,350 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:45:56,723 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:45:56,945 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:45:57,191 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:45:57,494 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:45:57,812 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:45:58,153 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:45:58,787 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:45:59,771 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-07-17 13:46:00,184 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:46:00,904 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:46:01,354 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:46:02,194 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:46:02,679 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:46:03,198 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:46:03,750 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:46:04,352 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:46:04,951 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:46:05,589 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:46:06,248 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:46:06,941 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:46:07,697 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:46:09,040 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:46:10,412 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:46:11,798 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:46:13,280 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:46:14,138 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:46:15,629 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:46:17,762 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:46:19,253 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:46:21,377 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:46:22,284 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:46:23,222 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:46:24,865 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:46:25,871 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:46:26,908 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:46:29,429 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:46:31,234 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:46:33,051 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:46:34,902 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:46:36,760 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:46:38,664 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-07-17 13:46:40,547 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:46:42,402 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:46:43,669 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:46:46,297 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:46:48,172 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-07-17 13:46:50,053 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:46:51,941 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:46:53,810 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:46:56,424 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:46:58,296 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:00,088 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-07-17 13:47:01,925 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:47:04,210 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:47:05,847 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:47:07,515 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:47:09,763 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:47:11,731 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:47:13,245 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:47:14,618 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-07-17 13:47:15,816 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2020-07-17 13:47:16,723 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-07-17 13:47:17,382 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:47:18,048 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:47:18,946 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:47:19,681 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:47:20,639 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-07-17 13:47:21,635 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 13:47:22,430 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:47:23,467 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:47:24,300 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:47:25,166 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:47:26,298 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:47:27,420 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:47:28,591 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:47:29,728 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:47:30,620 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:47:31,809 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:47:32,967 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:47:34,108 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:47:35,265 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:47:36,459 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:47:37,721 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:47:39,023 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:47:40,370 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:47:41,764 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:47:43,161 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:47:44,481 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-07-17 13:47:45,815 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:47:46,858 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:47:48,278 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:47:49,711 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:47:50,808 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:47:52,247 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:47:53,707 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:47:55,177 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:47:56,618 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:47:57,767 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:47:59,273 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:48:00,818 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:48:02,347 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:48:03,906 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:48:05,512 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:48:07,092 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:48:08,678 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:48:09,517 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2020-07-17 13:48:09,518 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:48:09,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015616831] [2020-07-17 13:48:09,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:48:09,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [125] imperfect sequences [] total 125 [2020-07-17 13:48:09,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394395255] [2020-07-17 13:48:09,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 126 states [2020-07-17 13:48:09,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:48:09,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2020-07-17 13:48:09,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6709, Invalid=9041, Unknown=0, NotChecked=0, Total=15750 [2020-07-17 13:48:09,527 INFO L87 Difference]: Start difference. First operand 1183 states and 1475 transitions. Second operand 126 states. [2020-07-17 13:48:13,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:48:13,246 INFO L93 Difference]: Finished difference Result 2756 states and 3559 transitions. [2020-07-17 13:48:13,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:48:13,250 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 205 [2020-07-17 13:48:13,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:48:13,265 INFO L225 Difference]: With dead ends: 2756 [2020-07-17 13:48:13,266 INFO L226 Difference]: Without dead ends: 1597 [2020-07-17 13:48:13,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 134.3s TimeCoverageRelationStatistics Valid=6736, Invalid=10294, Unknown=0, NotChecked=0, Total=17030 [2020-07-17 13:48:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2020-07-17 13:48:13,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1367. [2020-07-17 13:48:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-17 13:48:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1710 transitions. [2020-07-17 13:48:13,491 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1710 transitions. Word has length 205 [2020-07-17 13:48:13,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:48:13,491 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1710 transitions. [2020-07-17 13:48:13,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 126 states. [2020-07-17 13:48:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1710 transitions. [2020-07-17 13:48:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-17 13:48:13,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:48:13,510 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-17 13:48:13,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:48:13,510 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:48:13,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:48:13,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1933456907, now seen corresponding path program 1 times [2020-07-17 13:48:13,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:48:13,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002893883] [2020-07-17 13:48:13,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:48:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:13,823 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 13:48:14,494 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:48:14,680 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:48:14,948 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:48:15,385 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:48:15,630 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:48:15,916 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:48:16,238 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:48:16,595 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:48:16,984 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:48:17,695 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:48:18,817 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:48:19,272 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:48:20,071 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 13:48:20,557 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:48:21,462 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:48:21,996 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:48:22,563 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:48:23,172 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:48:23,803 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:48:24,479 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:48:25,162 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:48:25,887 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:48:26,657 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:48:27,462 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:48:28,927 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:48:30,423 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:48:31,965 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:48:33,554 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:48:34,487 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:48:36,149 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:48:38,494 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:48:40,142 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:48:42,490 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:48:43,500 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:48:44,538 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:48:46,352 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:48:47,461 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:48:48,592 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:48:51,375 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:48:53,359 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:48:55,380 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-07-17 13:48:57,441 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:48:59,523 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2020-07-17 13:49:01,539 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 13:49:03,611 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:49:05,677 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:49:06,971 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:49:09,834 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 13:49:11,908 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-07-17 13:49:14,007 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:49:16,118 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:49:18,200 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:49:21,098 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:49:23,228 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:49:25,228 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:49:27,247 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2020-07-17 13:49:29,756 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-07-17 13:49:31,616 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:49:33,457 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:49:35,989 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:49:38,155 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:49:39,827 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:49:41,382 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-07-17 13:49:42,717 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-07-17 13:49:43,747 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-07-17 13:49:44,534 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:49:45,357 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:49:46,413 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:49:47,257 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:49:48,380 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:49:49,550 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:49:50,481 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:49:51,702 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:49:52,656 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:49:53,639 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:49:54,955 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:49:56,266 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:49:57,610 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:49:58,950 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:49:59,998 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:50:01,400 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:50:02,763 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:50:04,074 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:50:05,436 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:50:06,857 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:50:08,272 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:50:09,729 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:50:11,225 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:50:12,836 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:50:14,407 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:50:15,885 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:50:17,470 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:50:18,686 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:50:20,309 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:50:21,939 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:50:23,210 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:50:24,881 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-07-17 13:50:26,555 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:50:28,252 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:50:29,902 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:50:31,235 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:50:32,937 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:50:34,729 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:50:36,496 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:50:38,276 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:50:40,088 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:50:41,935 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:50:43,792 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:50:44,704 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2020-07-17 13:50:44,704 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:50:44,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002893883] [2020-07-17 13:50:44,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:50:44,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [126] imperfect sequences [] total 126 [2020-07-17 13:50:44,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608804211] [2020-07-17 13:50:44,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 127 states [2020-07-17 13:50:44,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:50:44,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2020-07-17 13:50:44,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6712, Invalid=9290, Unknown=0, NotChecked=0, Total=16002 [2020-07-17 13:50:44,709 INFO L87 Difference]: Start difference. First operand 1367 states and 1710 transitions. Second operand 127 states. [2020-07-17 13:50:45,699 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-07-17 13:50:50,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:50:50,615 INFO L93 Difference]: Finished difference Result 3604 states and 4629 transitions. [2020-07-17 13:50:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 13:50:50,616 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 212 [2020-07-17 13:50:50,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:50:50,631 INFO L225 Difference]: With dead ends: 3604 [2020-07-17 13:50:50,632 INFO L226 Difference]: Without dead ends: 2261 [2020-07-17 13:50:50,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2029 ImplicationChecksByTransitivity, 151.3s TimeCoverageRelationStatistics Valid=6773, Invalid=11587, Unknown=0, NotChecked=0, Total=18360 [2020-07-17 13:50:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2020-07-17 13:50:50,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 1994. [2020-07-17 13:50:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-07-17 13:50:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2462 transitions. [2020-07-17 13:50:50,972 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2462 transitions. Word has length 212 [2020-07-17 13:50:50,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:50:50,972 INFO L479 AbstractCegarLoop]: Abstraction has 1994 states and 2462 transitions. [2020-07-17 13:50:50,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 127 states. [2020-07-17 13:50:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2462 transitions. [2020-07-17 13:50:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-17 13:50:50,983 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:50:50,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-17 13:50:50,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 13:50:50,984 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:50:50,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:50:50,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1062084122, now seen corresponding path program 1 times [2020-07-17 13:50:50,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:50:50,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320583707] [2020-07-17 13:50:50,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:50:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:51,303 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 13:50:51,303 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:50:51,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320583707] [2020-07-17 13:50:51,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:50:51,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:50:51,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722695191] [2020-07-17 13:50:51,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:50:51,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:50:51,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:50:51,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:50:51,305 INFO L87 Difference]: Start difference. First operand 1994 states and 2462 transitions. Second operand 5 states. [2020-07-17 13:50:54,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:50:54,104 INFO L93 Difference]: Finished difference Result 3980 states and 4922 transitions. [2020-07-17 13:50:54,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:50:54,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2020-07-17 13:50:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:50:54,118 INFO L225 Difference]: With dead ends: 3980 [2020-07-17 13:50:54,118 INFO L226 Difference]: Without dead ends: 2010 [2020-07-17 13:50:54,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 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 13:50:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2020-07-17 13:50:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1992. [2020-07-17 13:50:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2020-07-17 13:50:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2394 transitions. [2020-07-17 13:50:54,526 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2394 transitions. Word has length 229 [2020-07-17 13:50:54,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:50:54,527 INFO L479 AbstractCegarLoop]: Abstraction has 1992 states and 2394 transitions. [2020-07-17 13:50:54,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:50:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2394 transitions. [2020-07-17 13:50:54,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-07-17 13:50:54,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:50:54,538 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-17 13:50:54,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 13:50:54,539 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:50:54,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:50:54,539 INFO L82 PathProgramCache]: Analyzing trace with hash 404580748, now seen corresponding path program 1 times [2020-07-17 13:50:54,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:50:54,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405624194] [2020-07-17 13:50:54,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:50:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:54,977 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 13:50:55,976 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 13:50:56,193 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:50:56,662 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:50:57,094 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-07-17 13:50:57,364 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:50:57,736 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:50:58,096 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:50:58,476 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:50:58,883 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:50:59,645 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:51:00,819 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-07-17 13:51:01,308 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 13:51:02,164 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:51:02,701 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:51:03,672 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:51:04,266 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:51:04,884 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:51:05,538 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:51:06,253 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:51:06,993 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:51:07,741 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:51:08,536 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:51:09,374 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:51:10,253 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:51:11,848 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 13:51:13,465 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:51:15,143 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 13:51:16,849 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-07-17 13:51:17,857 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 13:51:19,640 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:51:22,175 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-07-17 13:51:23,960 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:51:26,520 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:51:27,623 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:51:28,756 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:51:30,744 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 13:51:31,938 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:51:33,190 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:51:36,233 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:51:38,418 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:51:40,674 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:51:42,952 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:51:45,301 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:51:47,552 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:51:49,870 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:51:52,206 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:51:53,639 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:51:56,910 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:51:59,254 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:52:01,630 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:52:04,013 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:52:06,343 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:52:09,594 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:52:11,995 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:52:14,284 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:52:16,638 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 13:52:19,516 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:52:21,627 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:52:23,792 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:52:26,689 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:52:29,205 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-07-17 13:52:31,127 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:52:32,915 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-07-17 13:52:34,477 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-07-17 13:52:35,693 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-07-17 13:52:36,584 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 13:52:37,561 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-17 13:52:38,812 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-07-17 13:52:39,867 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:52:41,178 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-07-17 13:52:42,551 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:52:43,691 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:52:45,095 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:52:46,240 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:52:47,417 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:52:48,966 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:52:50,504 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:52:52,095 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:52:53,671 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-07-17 13:52:54,921 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:52:56,512 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:52:58,081 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:52:59,618 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-07-17 13:53:01,207 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:53:02,846 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:53:04,533 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:53:06,261 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:53:08,057 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:53:09,969 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:53:11,879 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 13:53:13,675 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2020-07-17 13:53:15,525 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:53:17,056 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:53:19,028 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:53:21,051 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:53:22,619 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:53:24,596 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:53:26,663 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:53:28,753 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:53:30,797 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 13:53:32,345 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:53:34,325 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:53:36,350 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:53:38,412 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:53:40,499 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:53:42,593 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:53:44,746 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:53:46,886 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:53:47,821 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2020-07-17 13:53:47,823 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:53:47,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405624194] [2020-07-17 13:53:47,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:53:47,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [133] imperfect sequences [] total 133 [2020-07-17 13:53:47,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965120578] [2020-07-17 13:53:47,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 134 states [2020-07-17 13:53:47,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:53:47,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2020-07-17 13:53:47,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6640, Invalid=11182, Unknown=0, NotChecked=0, Total=17822 [2020-07-17 13:53:47,828 INFO L87 Difference]: Start difference. First operand 1992 states and 2394 transitions. Second operand 134 states. [2020-07-17 13:53:48,859 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:53:49,215 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2020-07-17 13:53:49,590 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-07-17 13:53:50,083 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2020-07-17 13:53:50,419 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2020-07-17 13:53:50,996 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-07-17 13:53:52,072 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 107 [2020-07-17 13:53:52,699 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2020-07-17 13:53:53,530 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 110 [2020-07-17 13:53:53,937 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-07-17 13:53:54,407 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 13:53:55,184 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 113 [2020-07-17 13:53:55,658 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:53:56,027 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2020-07-17 13:53:56,509 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2020-07-17 13:53:57,085 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 114 [2020-07-17 13:53:57,276 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-07-17 13:53:57,893 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-07-17 13:53:58,674 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2020-07-17 13:53:59,782 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 122 [2020-07-17 13:54:00,738 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-07-17 13:54:01,750 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-07-17 13:54:02,722 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2020-07-17 13:54:03,352 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-07-17 13:54:04,261 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2020-07-17 13:54:05,074 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 116 [2020-07-17 13:54:06,147 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-07-17 13:54:07,313 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 117 [2020-07-17 13:54:08,391 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 132 [2020-07-17 13:54:09,589 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2020-07-17 13:54:10,892 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2020-07-17 13:54:12,042 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 118 [2020-07-17 13:54:12,549 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-07-17 13:54:13,534 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2020-07-17 13:54:14,861 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 13:54:15,884 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2020-07-17 13:54:17,251 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 13:54:18,713 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 151 DAG size of output: 142 [2020-07-17 13:54:20,242 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2020-07-17 13:54:21,834 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 155 DAG size of output: 145 [2020-07-17 13:54:23,429 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-07-17 13:54:25,291 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 157 DAG size of output: 143 [2020-07-17 13:54:25,625 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:54:27,236 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2020-07-17 13:54:27,609 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:54:28,583 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 119 [2020-07-17 13:54:30,234 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 157 DAG size of output: 143 [2020-07-17 13:54:30,521 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:54:30,878 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 13:54:32,615 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 158 DAG size of output: 144 [2020-07-17 13:54:32,983 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 13:54:33,414 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-07-17 13:54:34,387 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-07-17 13:54:36,174 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 159 DAG size of output: 145 [2020-07-17 13:54:36,605 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 13:54:38,491 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 160 DAG size of output: 146 [2020-07-17 13:54:38,988 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 13:54:40,943 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 162 DAG size of output: 147 [2020-07-17 13:54:41,578 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-07-17 13:54:42,509 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2020-07-17 13:54:43,132 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 13:54:44,130 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 118 [2020-07-17 13:54:46,119 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2020-07-17 13:54:46,709 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 13:54:48,786 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 162 DAG size of output: 149 [2020-07-17 13:54:49,419 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 13:54:50,161 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 111 [2020-07-17 13:54:52,302 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 163 DAG size of output: 150 [2020-07-17 13:54:52,663 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 13:54:53,323 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 13:54:54,103 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-07-17 13:54:56,307 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 164 DAG size of output: 151 [2020-07-17 13:54:56,967 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 13:54:58,087 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-07-17 13:54:58,769 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 13:54:59,361 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2020-07-17 13:55:01,396 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2020-07-17 13:55:01,597 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-07-17 13:55:02,362 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 13:55:04,626 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 163 DAG size of output: 149 [2020-07-17 13:55:05,599 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 13:55:05,840 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-07-17 13:55:06,723 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 13:55:08,959 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 166 DAG size of output: 150 [2020-07-17 13:55:09,839 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 13:55:11,840 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2020-07-17 13:55:12,724 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 13:55:14,772 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 163 DAG size of output: 147 [2020-07-17 13:55:15,705 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 13:55:16,732 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 13:55:18,829 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 163 DAG size of output: 148 [2020-07-17 13:55:19,800 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 13:55:22,544 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 162 DAG size of output: 145 [2020-07-17 13:55:23,578 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 13:55:24,686 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-07-17 13:55:25,872 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-07-17 13:55:27,732 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 160 DAG size of output: 142 [2020-07-17 13:55:28,915 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-07-17 13:55:30,867 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 161 DAG size of output: 143 [2020-07-17 13:55:33,026 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2020-07-17 13:55:34,699 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 154 DAG size of output: 138 [2020-07-17 13:55:35,929 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 156 [2020-07-17 13:55:37,617 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-07-17 13:55:38,870 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:55:40,591 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 154 DAG size of output: 140 [2020-07-17 13:55:41,833 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:55:42,570 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2020-07-17 13:55:43,862 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:55:45,327 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2020-07-17 13:55:45,531 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:55:46,799 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:55:47,665 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-07-17 13:55:47,857 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-07-17 13:55:49,337 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 13:55:50,634 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:55:52,734 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2020-07-17 13:55:54,032 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 158 [2020-07-17 13:55:55,560 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-07-17 13:55:55,998 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2020-07-17 13:55:57,356 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 159 [2020-07-17 13:55:57,865 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2020-07-17 13:55:58,810 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2020-07-17 13:56:00,246 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 160 [2020-07-17 13:56:00,947 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-07-17 13:56:01,653 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-07-17 13:56:03,161 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 161 [2020-07-17 13:56:03,556 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-07-17 13:56:03,840 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-07-17 13:56:04,837 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2020-07-17 13:56:06,355 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:56:08,695 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 168 DAG size of output: 155 [2020-07-17 13:56:09,075 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-07-17 13:56:10,795 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:56:11,213 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-07-17 13:56:12,321 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 114 [2020-07-17 13:56:13,939 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:56:15,600 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:56:17,282 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:56:17,881 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2020-07-17 13:56:19,263 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2020-07-17 13:56:22,684 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 170 DAG size of output: 155 [2020-07-17 13:56:24,331 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 164 [2020-07-17 13:56:25,868 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2020-07-17 13:56:27,502 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:56:28,170 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-07-17 13:56:29,753 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2020-07-17 13:56:30,956 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2020-07-17 13:56:32,642 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:56:34,505 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:56:35,223 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-07-17 13:56:36,975 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 166 [2020-07-17 13:56:38,751 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 164 [2020-07-17 13:56:40,526 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 164 [2020-07-17 13:56:41,694 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-07-17 13:56:43,417 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:56:44,652 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2020-07-17 13:56:46,397 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:56:48,446 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-07-17 13:56:50,190 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:56:50,933 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-07-17 13:56:51,321 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2020-07-17 13:56:53,095 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:56:55,438 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 169 DAG size of output: 148 [2020-07-17 13:56:57,623 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-07-17 13:56:58,996 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2020-07-17 13:57:00,190 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2020-07-17 13:57:01,919 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:57:02,632 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2020-07-17 13:57:04,423 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 160 [2020-07-17 13:57:05,688 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2020-07-17 13:57:07,413 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 161