/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:57:07,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:57:07,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:57:07,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:57:07,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:57:07,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:57:07,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:57:07,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:57:07,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:57:07,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:57:07,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:57:07,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:57:07,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:57:07,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:57:07,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:57:07,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:57:07,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:57:07,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:57:07,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:57:07,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:57:07,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:57:07,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:57:07,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:57:07,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:57:07,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:57:07,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:57:07,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:57:07,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:57:07,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:57:07,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:57:07,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:57:07,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:57:07,218 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:57:07,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:57:07,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:57:07,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:57:07,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:57:07,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:57:07,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:57:07,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:57:07,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:57:07,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:57:07,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:57:07,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:57:07,225 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:57:07,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:57:07,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:57:07,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:57:07,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:57:07,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:57:07,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:57:07,227 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:57:07,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:57:07,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:57:07,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:57:07,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:57:07,543 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:57:07,544 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-07-17 13:57:07,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd759350a/7b37530b92cf42dd97c222b74c5aaa83/FLAG57980a6ac [2020-07-17 13:57:08,136 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:57:08,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-07-17 13:57:08,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd759350a/7b37530b92cf42dd97c222b74c5aaa83/FLAG57980a6ac [2020-07-17 13:57:08,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd759350a/7b37530b92cf42dd97c222b74c5aaa83 [2020-07-17 13:57:08,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:57:08,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:57:08,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:08,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:57:08,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:57:08,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:08" (1/1) ... [2020-07-17 13:57:08,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f897e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:08, skipping insertion in model container [2020-07-17 13:57:08,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:08" (1/1) ... [2020-07-17 13:57:08,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:57:08,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:57:08,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:08,992 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:57:09,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:09,265 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:57:09,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09 WrapperNode [2020-07-17 13:57:09,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:09,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:57:09,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:57:09,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:57:09,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... [2020-07-17 13:57:09,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:57:09,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:57:09,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:57:09,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:57:09,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:57:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:57:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:57:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:57:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:57:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:57:10,783 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:57:10,783 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:57:10,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:10 BoogieIcfgContainer [2020-07-17 13:57:10,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:57:10,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:57:10,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:57:10,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:57:10,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:57:08" (1/3) ... [2020-07-17 13:57:10,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1d599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:10, skipping insertion in model container [2020-07-17 13:57:10,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:09" (2/3) ... [2020-07-17 13:57:10,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1d599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:10, skipping insertion in model container [2020-07-17 13:57:10,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:10" (3/3) ... [2020-07-17 13:57:10,818 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2020-07-17 13:57:10,832 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:57:10,848 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:57:10,868 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:57:10,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:57:10,898 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:57:10,898 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:57:10,898 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:57:10,898 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:57:10,898 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:57:10,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:57:10,899 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:57:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 13:57:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 13:57:10,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:10,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:57:10,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:10,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:10,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2114164186, now seen corresponding path program 1 times [2020-07-17 13:57:10,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:10,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399834520] [2020-07-17 13:57:10,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:57:11,709 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:57:11,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399834520] [2020-07-17 13:57:11,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:57:11,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:57:11,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869079182] [2020-07-17 13:57:11,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:57:11,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:57:11,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:57:11,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:57:11,744 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 13:57:14,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:57:14,092 INFO L93 Difference]: Finished difference Result 1205 states and 1651 transitions. [2020-07-17 13:57:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 13:57:14,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-17 13:57:14,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:57:14,117 INFO L225 Difference]: With dead ends: 1205 [2020-07-17 13:57:14,118 INFO L226 Difference]: Without dead ends: 627 [2020-07-17 13:57:14,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:57:14,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-17 13:57:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 613. [2020-07-17 13:57:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-17 13:57:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 774 transitions. [2020-07-17 13:57:14,305 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 774 transitions. Word has length 161 [2020-07-17 13:57:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:57:14,306 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 774 transitions. [2020-07-17 13:57:14,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:57:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 774 transitions. [2020-07-17 13:57:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-17 13:57:14,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:14,312 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:57:14,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:57:14,313 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:14,314 INFO L82 PathProgramCache]: Analyzing trace with hash -18808735, now seen corresponding path program 1 times [2020-07-17 13:57:14,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:14,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199777440] [2020-07-17 13:57:14,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:57:15,621 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:57:15,988 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:57:16,352 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:57:16,594 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:57:16,841 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:57:17,130 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:57:17,668 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:57:17,987 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:57:18,320 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:57:18,706 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:57:19,368 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:57:20,044 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:57:20,766 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:57:21,539 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:57:22,015 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:57:22,788 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:57:23,278 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:57:23,799 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:57:24,712 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:57:25,558 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:57:26,397 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:57:27,312 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:57:27,857 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:57:28,805 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:57:29,820 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:57:30,849 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:57:31,907 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:57:32,564 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:57:33,243 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:57:34,414 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:57:35,140 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:57:36,348 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:57:37,548 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:57:38,767 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:57:39,536 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:57:40,332 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:57:41,666 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:57:43,382 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:57:44,632 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:57:45,916 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:57:46,730 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:57:47,565 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:57:48,942 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:57:50,387 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:57:51,745 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:57:53,610 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:57:54,985 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:57:56,375 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:57:57,800 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:57:59,253 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:58:00,655 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:58:02,519 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:58:03,811 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:58:05,048 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:58:06,298 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 13:58:07,695 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:58:09,019 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:10,844 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:58:12,160 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:58:13,495 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:14,819 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:58:16,120 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:58:17,443 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:58:19,058 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 13:58:20,271 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:58:21,491 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:58:23,061 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 13:58:24,164 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 13:58:25,129 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 13:58:25,878 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 13:58:26,567 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 13:58:27,300 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:58:28,142 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 13:58:28,717 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:58:29,470 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:58:30,097 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:58:30,743 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:58:31,585 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:58:32,458 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:58:33,303 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:58:34,206 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:58:35,108 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:58:35,824 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:58:36,567 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:58:37,330 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:58:38,112 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:58:39,181 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:58:39,991 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:58:41,112 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:58:42,242 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:58:43,401 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:58:44,597 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:58:45,792 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:58:47,036 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:58:48,280 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:58:49,229 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:58:50,538 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:58:51,517 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:58:52,915 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:58:54,280 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 13:58:55,686 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:58:57,103 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:58:58,506 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:58:59,919 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:59:01,310 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 13:59:02,696 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:59:04,038 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:59:05,347 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:59:06,346 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:59:07,674 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:08,991 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:10,015 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:11,356 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:59:12,669 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:59:13,987 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:59:15,009 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:59:16,370 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:59:17,743 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:59:19,126 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:20,527 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:21,894 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 13:59:23,235 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-17 13:59:24,588 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:59:25,941 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:59:26,727 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2020-07-17 13:59:26,729 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:59:26,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199777440] [2020-07-17 13:59:26,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:59:26,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [146] imperfect sequences [] total 146 [2020-07-17 13:59:26,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754266699] [2020-07-17 13:59:26,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 147 states [2020-07-17 13:59:26,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:59:26,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2020-07-17 13:59:26,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9223, Invalid=12239, Unknown=0, NotChecked=0, Total=21462 [2020-07-17 13:59:26,749 INFO L87 Difference]: Start difference. First operand 613 states and 774 transitions. Second operand 147 states. [2020-07-17 13:59:29,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:59:29,239 INFO L93 Difference]: Finished difference Result 1142 states and 1475 transitions. [2020-07-17 13:59:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 13:59:29,244 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 187 [2020-07-17 13:59:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:59:29,249 INFO L225 Difference]: With dead ends: 1142 [2020-07-17 13:59:29,249 INFO L226 Difference]: Without dead ends: 551 [2020-07-17 13:59:29,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1372 ImplicationChecksByTransitivity, 132.1s TimeCoverageRelationStatistics Valid=9236, Invalid=12816, Unknown=0, NotChecked=0, Total=22052 [2020-07-17 13:59:29,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-07-17 13:59:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2020-07-17 13:59:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-17 13:59:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2020-07-17 13:59:29,312 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 187 [2020-07-17 13:59:29,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:59:29,312 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2020-07-17 13:59:29,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 147 states. [2020-07-17 13:59:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2020-07-17 13:59:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-17 13:59:29,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:59:29,315 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:59:29,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:59:29,316 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:59:29,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:59:29,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1103327617, now seen corresponding path program 1 times [2020-07-17 13:59:29,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:59:29,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635324952] [2020-07-17 13:59:29,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:59:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:59:30,525 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 13:59:30,701 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:59:30,900 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:59:31,285 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:59:31,723 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 13:59:31,999 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:59:32,285 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:59:32,610 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:59:33,205 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:59:33,568 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:59:33,959 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:34,372 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:59:35,152 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 13:59:35,951 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:59:36,798 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:59:37,692 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:59:38,207 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:59:39,117 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:59:39,668 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:59:40,260 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:59:41,326 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 13:59:42,290 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 13:59:43,270 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:59:44,288 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 13:59:44,912 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:59:46,022 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 13:59:47,187 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 13:59:48,385 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:59:49,579 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:59:50,315 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:59:51,065 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:59:52,393 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:59:53,217 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:59:54,611 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:59:56,037 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:59:57,480 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:59:58,370 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:59:59,282 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:00:00,907 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 14:00:02,968 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 14:00:04,482 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:00:06,133 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:00:07,090 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:00:08,062 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:00:09,700 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:00:11,433 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 14:00:13,036 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:00:15,213 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:00:16,834 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:00:18,481 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 14:00:20,179 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:00:21,910 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 14:00:23,557 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:00:25,745 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 14:00:27,282 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 14:00:28,764 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:00:30,253 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:00:31,797 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:00:33,345 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:00:35,387 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:00:36,969 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:00:38,569 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:00:40,131 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:00:41,672 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:00:43,241 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:45,136 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 14:00:46,598 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:00:48,047 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:00:49,892 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 14:00:51,186 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 14:00:52,348 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-07-17 14:00:53,250 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-07-17 14:00:54,064 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:00:54,931 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:00:55,915 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 14:00:56,585 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:00:57,467 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 14:00:58,197 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:00:58,956 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:00:59,915 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 14:01:00,896 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 14:01:01,947 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:01:02,989 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 14:01:04,062 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:01:04,905 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:01:05,796 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:01:06,710 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:01:07,634 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:01:08,872 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 14:01:09,843 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:01:11,148 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:01:12,470 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:01:13,825 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:01:15,198 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:01:16,590 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:01:18,033 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:01:19,467 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:01:20,573 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:01:22,121 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:01:23,264 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:01:24,893 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:01:26,478 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 14:01:28,086 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:01:29,759 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:01:31,399 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:01:33,065 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:01:34,692 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:01:36,317 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:01:37,890 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:01:39,404 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 14:01:40,586 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:01:42,138 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:01:43,700 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:01:44,930 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:01:46,486 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 14:01:48,059 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:01:49,594 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 14:01:50,820 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:01:52,427 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:01:54,049 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:01:55,683 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:01:57,314 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:01:58,906 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 14:02:00,439 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 14:02:02,015 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:02:03,625 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:02:04,492 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2020-07-17 14:02:04,494 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:02:04,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635324952] [2020-07-17 14:02:04,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:02:04,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [146] imperfect sequences [] total 146 [2020-07-17 14:02:04,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526038587] [2020-07-17 14:02:04,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 147 states [2020-07-17 14:02:04,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:02:04,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2020-07-17 14:02:04,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9220, Invalid=12242, Unknown=0, NotChecked=0, Total=21462 [2020-07-17 14:02:04,502 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand 147 states. [2020-07-17 14:02:09,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:02:09,493 INFO L93 Difference]: Finished difference Result 2060 states and 2697 transitions. [2020-07-17 14:02:09,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 14:02:09,495 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 195 [2020-07-17 14:02:09,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:02:09,506 INFO L225 Difference]: With dead ends: 2060 [2020-07-17 14:02:09,507 INFO L226 Difference]: Without dead ends: 1555 [2020-07-17 14:02:09,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2379 ImplicationChecksByTransitivity, 155.2s TimeCoverageRelationStatistics Valid=9282, Invalid=15210, Unknown=0, NotChecked=0, Total=24492 [2020-07-17 14:02:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2020-07-17 14:02:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1047. [2020-07-17 14:02:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-07-17 14:02:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1337 transitions. [2020-07-17 14:02:09,679 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1337 transitions. Word has length 195 [2020-07-17 14:02:09,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:02:09,680 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1337 transitions. [2020-07-17 14:02:09,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 147 states. [2020-07-17 14:02:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1337 transitions. [2020-07-17 14:02:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-17 14:02:09,686 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:02:09,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:02:09,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:02:09,687 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:02:09,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:02:09,688 INFO L82 PathProgramCache]: Analyzing trace with hash -659296366, now seen corresponding path program 1 times [2020-07-17 14:02:09,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:02:09,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753752663] [2020-07-17 14:02:09,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:02:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:02:09,995 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:02:09,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753752663] [2020-07-17 14:02:09,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:02:09,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:02:09,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585236427] [2020-07-17 14:02:09,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:02:09,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:02:09,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:02:09,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:02:09,998 INFO L87 Difference]: Start difference. First operand 1047 states and 1337 transitions. Second operand 5 states. [2020-07-17 14:02:12,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:02:12,525 INFO L93 Difference]: Finished difference Result 2849 states and 3797 transitions. [2020-07-17 14:02:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 14:02:12,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2020-07-17 14:02:12,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:02:12,545 INFO L225 Difference]: With dead ends: 2849 [2020-07-17 14:02:12,546 INFO L226 Difference]: Without dead ends: 1824 [2020-07-17 14:02:12,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 14:02:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2020-07-17 14:02:12,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1806. [2020-07-17 14:02:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-07-17 14:02:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2297 transitions. [2020-07-17 14:02:12,769 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2297 transitions. Word has length 199 [2020-07-17 14:02:12,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:02:12,770 INFO L479 AbstractCegarLoop]: Abstraction has 1806 states and 2297 transitions. [2020-07-17 14:02:12,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:02:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2297 transitions. [2020-07-17 14:02:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-17 14:02:12,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:02:12,779 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:02:12,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:02:12,779 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:02:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:02:12,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1612061781, now seen corresponding path program 1 times [2020-07-17 14:02:12,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:02:12,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419632223] [2020-07-17 14:02:12,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:02:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:02:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:02:13,845 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:02:14,020 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:02:14,205 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:02:14,414 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:02:14,869 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:02:15,341 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 14:02:15,645 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:02:15,965 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:02:16,338 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:02:17,002 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:02:17,411 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:02:17,855 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:02:18,314 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:02:19,174 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:02:20,082 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:02:21,023 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:02:22,016 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 14:02:22,589 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:02:23,644 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:02:24,250 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:02:24,896 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:02:26,112 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 14:02:27,211 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 14:02:28,335 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:02:29,482 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 14:02:30,176 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 14:02:31,417 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 14:02:32,726 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:02:34,072 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:02:35,425 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:02:36,265 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:02:37,113 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 14:02:38,595 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:02:39,504 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:02:41,052 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:02:42,607 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:02:44,224 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:02:45,193 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:02:46,200 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:02:47,868 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 14:02:50,121 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 14:02:51,739 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:02:53,404 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:02:54,464 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:02:55,541 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:02:57,333 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:02:59,210 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 14:03:00,973 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:03:03,390 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:03:05,203 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:03:07,012 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 14:03:08,885 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:03:10,827 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 14:03:12,663 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:03:15,143 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 14:03:16,860 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 14:03:18,534 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:03:20,215 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:03:21,994 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:03:23,759 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:03:26,052 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:03:27,837 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:03:29,626 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:03:31,381 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:03:33,148 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:03:34,942 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:03:37,104 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 14:03:38,753 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:03:40,411 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:03:42,520 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 14:03:44,001 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 14:03:45,340 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-07-17 14:03:46,389 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-07-17 14:03:47,358 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:03:48,389 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:03:49,529 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 14:03:50,319 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:03:51,346 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 14:03:52,193 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:03:53,057 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:03:54,179 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 14:03:55,297 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 14:03:56,473 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:03:57,683 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 14:03:58,894 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:03:59,855 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:04:00,852 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:04:01,862 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:04:02,898 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:04:04,306 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 14:04:05,385 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:04:06,878 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:04:08,382 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:04:09,949 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:04:11,534 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:04:13,146 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:04:14,792 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:04:16,472 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:04:17,752 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:04:19,537 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:04:20,863 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:04:22,749 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:04:24,580 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 14:04:26,484 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:04:28,454 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:04:30,389 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:04:32,325 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:04:34,225 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:04:36,175 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:04:38,028 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:04:39,823 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 14:04:41,232 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:04:43,087 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:04:44,934 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:04:46,380 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:04:48,229 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 14:04:50,106 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:04:51,961 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 14:04:53,412 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:04:55,346 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:04:57,284 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:04:59,237 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:05:01,201 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:05:03,303 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 14:05:05,335 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 14:05:07,456 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:05:09,436 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:05:10,427 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2020-07-17 14:05:10,428 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:05:10,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419632223] [2020-07-17 14:05:10,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:05:10,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [145] imperfect sequences [] total 145 [2020-07-17 14:05:10,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473157456] [2020-07-17 14:05:10,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 146 states [2020-07-17 14:05:10,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:05:10,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2020-07-17 14:05:10,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9219, Invalid=11951, Unknown=0, NotChecked=0, Total=21170 [2020-07-17 14:05:10,433 INFO L87 Difference]: Start difference. First operand 1806 states and 2297 transitions. Second operand 146 states. [2020-07-17 14:05:11,714 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:05:12,139 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 14:05:12,839 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:05:13,286 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-07-17 14:05:13,741 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 14:05:14,273 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 14:05:14,860 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2020-07-17 14:05:15,573 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2020-07-17 14:05:16,203 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2020-07-17 14:05:17,297 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-07-17 14:05:18,386 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 113 [2020-07-17 14:05:19,720 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2020-07-17 14:05:20,640 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2020-07-17 14:05:21,624 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-07-17 14:05:22,639 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2020-07-17 14:05:23,743 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2020-07-17 14:05:24,919 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2020-07-17 14:05:26,121 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2020-07-17 14:05:27,447 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2020-07-17 14:05:28,850 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2020-07-17 14:05:29,330 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-07-17 14:05:30,729 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2020-07-17 14:05:31,235 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2020-07-17 14:05:31,466 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-07-17 14:05:32,848 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2020-07-17 14:05:33,112 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-07-17 14:05:33,654 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2020-07-17 14:05:35,156 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2020-07-17 14:05:35,640 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-07-17 14:05:37,013 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2020-07-17 14:05:38,606 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 139 DAG size of output: 130 [2020-07-17 14:05:40,034 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 140 DAG size of output: 131 [2020-07-17 14:05:41,813 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2020-07-17 14:05:42,066 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2020-07-17 14:05:43,566 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-07-17 14:05:45,076 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-07-17 14:05:46,705 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 144 DAG size of output: 134 [2020-07-17 14:05:48,382 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2020-07-17 14:05:48,974 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-17 14:05:50,714 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 14:05:52,454 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 14:05:54,193 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 14:05:56,034 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-07-17 14:05:57,954 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2020-07-17 14:05:59,736 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-07-17 14:06:01,433 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-07-17 14:06:03,188 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 148 DAG size of output: 136 [2020-07-17 14:06:04,939 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-07-17 14:06:06,768 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2020-07-17 14:06:08,697 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2020-07-17 14:06:10,487 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2020-07-17 14:06:12,265 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2020-07-17 14:06:13,209 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-07-17 14:06:15,035 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2020-07-17 14:06:16,876 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2020-07-17 14:06:18,761 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 152 DAG size of output: 138 [2020-07-17 14:06:20,687 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 150 DAG size of output: 139 [2020-07-17 14:06:22,715 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2020-07-17 14:06:24,736 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 14:06:26,762 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 14:06:28,776 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 14:06:30,829 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 14:06:32,853 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-07-17 14:06:34,925 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-07-17 14:06:37,423 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 14:06:40,054 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-07-17 14:06:40,675 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-07-17 14:06:42,796 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2020-07-17 14:06:45,193 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-07-17 14:06:47,411 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2020-07-17 14:06:47,854 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-07-17 14:06:49,918 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 138 DAG size of output: 128 [2020-07-17 14:06:51,853 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2020-07-17 14:06:52,954 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2020-07-17 14:06:54,213 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 99 [2020-07-17 14:06:55,368 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 106 [2020-07-17 14:06:56,336 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2020-07-17 14:06:57,295 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-07-17 14:06:58,315 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2020-07-17 14:06:59,360 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2020-07-17 14:07:00,488 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2020-07-17 14:07:01,609 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2020-07-17 14:07:03,169 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2020-07-17 14:07:04,681 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 112 [2020-07-17 14:07:06,069 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 112 [2020-07-17 14:07:07,301 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-07-17 14:07:08,922 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2020-07-17 14:07:10,653 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2020-07-17 14:07:12,017 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-07-17 14:07:13,177 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 109 [2020-07-17 14:07:14,265 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2020-07-17 14:07:15,413 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 110 [2020-07-17 14:07:16,571 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2020-07-17 14:07:17,073 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:07:17,334 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-07-17 14:07:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:07:17,467 INFO L93 Difference]: Finished difference Result 3424 states and 4401 transitions. [2020-07-17 14:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2020-07-17 14:07:17,471 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 213 [2020-07-17 14:07:17,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:07:17,477 INFO L225 Difference]: With dead ends: 3424 [2020-07-17 14:07:17,477 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 14:07:17,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17173 ImplicationChecksByTransitivity, 293.3s TimeCoverageRelationStatistics Valid=19450, Invalid=54262, Unknown=0, NotChecked=0, Total=73712 [2020-07-17 14:07:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 14:07:17,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 14:07:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 14:07:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 14:07:17,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-07-17 14:07:17,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:07:17,497 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 14:07:17,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 146 states. [2020-07-17 14:07:17,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 14:07:17,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 14:07:17,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:07:17,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 14:07:39,017 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2020-07-17 14:07:42,369 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 320 [2020-07-17 14:07:42,689 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 366 [2020-07-17 14:07:42,808 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 250 [2020-07-17 14:07:42,990 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 293 [2020-07-17 14:07:43,194 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 297 [2020-07-17 14:07:43,321 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2020-07-17 14:07:43,442 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2020-07-17 14:07:43,643 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 320 [2020-07-17 14:07:43,942 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 366 [2020-07-17 14:07:44,050 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 250 [2020-07-17 14:07:44,229 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 293 [2020-07-17 14:07:44,409 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 297 [2020-07-17 14:07:44,547 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2020-07-17 14:07:44,665 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2020-07-17 14:07:52,437 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:07:53,446 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 183 DAG size of output: 81 [2020-07-17 14:07:54,312 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 81 [2020-07-17 14:07:56,528 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 200 DAG size of output: 118 [2020-07-17 14:07:57,466 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 81 [2020-07-17 14:07:57,659 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:07:57,836 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:07:58,014 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:07:58,940 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 81 [2020-07-17 14:07:59,149 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:00,108 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 81 [2020-07-17 14:08:03,473 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 214 DAG size of output: 135 [2020-07-17 14:08:06,608 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 215 DAG size of output: 130 [2020-07-17 14:08:08,631 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2020-07-17 14:08:11,494 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 214 DAG size of output: 122 [2020-07-17 14:08:13,400 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 171 DAG size of output: 108 [2020-07-17 14:08:13,579 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:13,764 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:15,549 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 170 DAG size of output: 106 [2020-07-17 14:08:18,460 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 217 DAG size of output: 123 [2020-07-17 14:08:18,639 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:22,558 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 211 DAG size of output: 134 [2020-07-17 14:08:23,778 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 142 DAG size of output: 92 [2020-07-17 14:08:24,365 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2020-07-17 14:08:24,822 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2020-07-17 14:08:26,668 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 190 DAG size of output: 108 [2020-07-17 14:08:26,863 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:27,058 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:28,067 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 183 DAG size of output: 81 [2020-07-17 14:08:28,693 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-07-17 14:08:30,054 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 166 DAG size of output: 97 [2020-07-17 14:08:31,183 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2020-07-17 14:08:31,370 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:31,733 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 59 [2020-07-17 14:08:32,163 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 56 [2020-07-17 14:08:32,641 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2020-07-17 14:08:33,116 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-07-17 14:08:33,310 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:33,980 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2020-07-17 14:08:34,647 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-07-17 14:08:36,738 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 180 DAG size of output: 111 [2020-07-17 14:08:36,926 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:40,306 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 216 DAG size of output: 129 [2020-07-17 14:08:40,507 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:41,350 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 88 [2020-07-17 14:08:41,732 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 44 [2020-07-17 14:08:41,919 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:42,342 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 52 [2020-07-17 14:08:42,879 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-07-17 14:08:43,321 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 54 [2020-07-17 14:08:43,507 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:44,600 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 175 DAG size of output: 89 [2020-07-17 14:08:46,233 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 174 DAG size of output: 97 [2020-07-17 14:08:48,341 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 197 DAG size of output: 109 [2020-07-17 14:08:48,568 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:49,196 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-07-17 14:08:49,657 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2020-07-17 14:08:52,341 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 203 DAG size of output: 115 [2020-07-17 14:08:54,509 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 200 DAG size of output: 106 [2020-07-17 14:08:54,895 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 59 [2020-07-17 14:08:55,754 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2020-07-17 14:08:56,154 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 60 [2020-07-17 14:08:56,347 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:56,728 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2020-07-17 14:08:56,924 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:08:57,315 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 59 [2020-07-17 14:08:59,424 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 196 DAG size of output: 117 [2020-07-17 14:08:59,857 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 59 [2020-07-17 14:09:00,054 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:00,342 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-07-17 14:09:01,331 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 81 [2020-07-17 14:09:02,270 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 81 [2020-07-17 14:09:03,456 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 172 DAG size of output: 89 [2020-07-17 14:09:04,483 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 185 DAG size of output: 81 [2020-07-17 14:09:04,675 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:04,868 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:05,151 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-07-17 14:09:06,147 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 81 [2020-07-17 14:09:08,185 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 190 DAG size of output: 111 [2020-07-17 14:09:08,644 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2020-07-17 14:09:11,991 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 215 DAG size of output: 129 [2020-07-17 14:09:12,175 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:14,525 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 197 DAG size of output: 121 [2020-07-17 14:09:14,720 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:16,707 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 186 DAG size of output: 104 [2020-07-17 14:09:16,897 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:19,182 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 186 DAG size of output: 111 [2020-07-17 14:09:19,365 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:19,545 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:19,719 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:20,345 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2020-07-17 14:09:23,504 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 217 DAG size of output: 126 [2020-07-17 14:09:24,717 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 172 DAG size of output: 89 [2020-07-17 14:09:25,084 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-07-17 14:09:28,120 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 216 DAG size of output: 122 [2020-07-17 14:09:28,513 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-07-17 14:09:28,972 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 54 [2020-07-17 14:09:31,558 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 186 DAG size of output: 114 [2020-07-17 14:09:34,796 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 219 DAG size of output: 122 [2020-07-17 14:09:37,159 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 198 DAG size of output: 116 [2020-07-17 14:09:37,466 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-07-17 14:09:37,666 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:38,604 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 81 [2020-07-17 14:09:39,148 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2020-07-17 14:09:39,365 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:40,403 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 184 DAG size of output: 81 [2020-07-17 14:09:41,442 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 182 DAG size of output: 81 [2020-07-17 14:09:42,505 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 183 DAG size of output: 81 [2020-07-17 14:09:42,831 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-07-17 14:09:43,045 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:43,265 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:43,481 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:44,124 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 71 [2020-07-17 14:09:44,660 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2020-07-17 14:09:46,827 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 181 DAG size of output: 109 [2020-07-17 14:09:47,045 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:47,983 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 88 [2020-07-17 14:09:48,472 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 52 [2020-07-17 14:09:49,013 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-07-17 14:09:49,237 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:52,276 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 214 DAG size of output: 118 [2020-07-17 14:09:53,550 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2020-07-17 14:09:57,391 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 217 DAG size of output: 132 [2020-07-17 14:09:57,599 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:09:59,850 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 196 DAG size of output: 107 [2020-07-17 14:10:00,074 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:10:00,395 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-07-17 14:10:00,609 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:10:01,737 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 182 DAG size of output: 81 [2020-07-17 14:10:01,964 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:10:03,249 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 183 DAG size of output: 81 [2020-07-17 14:10:03,870 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2020-07-17 14:10:07,526 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 208 DAG size of output: 120 [2020-07-17 14:10:07,955 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2020-07-17 14:10:08,559 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2020-07-17 14:10:12,501 WARN L193 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 216 DAG size of output: 129 [2020-07-17 14:10:16,159 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 218 DAG size of output: 124 [2020-07-17 14:10:18,161 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 190 DAG size of output: 108 [2020-07-17 14:10:19,378 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2020-07-17 14:10:19,607 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:10:19,833 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:10:23,254 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 213 DAG size of output: 123 [2020-07-17 14:10:23,799 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2020-07-17 14:10:24,012 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-07-17 14:10:24,691 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2020-07-17 14:10:25,820 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2020-07-17 14:10:26,895 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2020-07-17 14:10:27,533 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2020-07-17 14:10:28,445 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 71 [2020-07-17 14:10:30,070 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 174 DAG size of output: 93