/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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:57:09,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:57:09,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:57:09,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:57:09,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:57:09,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:57:09,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:57:09,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:57:09,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:57:09,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:57:09,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:57:09,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:57:09,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:57:09,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:57:09,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:57:09,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:57:09,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:57:09,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:57:09,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:57:09,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:57:09,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:57:09,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:57:09,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:57:09,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:57:09,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:57:09,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:57:09,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:57:09,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:57:09,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:57:09,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:57:09,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:57:09,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:57:09,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:57:09,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:57:09,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:57:09,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:57:09,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:57:09,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:57:09,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:57:09,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:57:09,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:57:09,496 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 13:57:09,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:57:09,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:57:09,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:57:09,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:57:09,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:57:09,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:57:09,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:57:09,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:57:09,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:57:09,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:57:09,535 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:57:09,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:57:09,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:57:09,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:57:09,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:57:09,536 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:57:09,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:57:09,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:57:09,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:57:09,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:57:09,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:57:09,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:57:09,538 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:57:09,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:57:09,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:57:09,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:57:09,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:57:09,891 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:57:09,892 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-07-17 13:57:09,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78b3c53c4/cce24e962c954dddaa51fd9b14e4ff16/FLAGedf30c02a [2020-07-17 13:57:10,578 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:57:10,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-07-17 13:57:10,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78b3c53c4/cce24e962c954dddaa51fd9b14e4ff16/FLAGedf30c02a [2020-07-17 13:57:10,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78b3c53c4/cce24e962c954dddaa51fd9b14e4ff16 [2020-07-17 13:57:10,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:57:10,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:57:10,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:10,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:57:10,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:57:10,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:10" (1/1) ... [2020-07-17 13:57:10,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5083de1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:10, skipping insertion in model container [2020-07-17 13:57:10,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:10" (1/1) ... [2020-07-17 13:57:10,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:57:10,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:57:11,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:11,463 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:57:11,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:11,640 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:57:11,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11 WrapperNode [2020-07-17 13:57:11,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:11,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:57:11,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:57:11,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:57:11,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (1/1) ... [2020-07-17 13:57:11,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:57:11,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:57:11,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:57:11,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:57:11,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (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 13:57:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:57:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:57:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:57:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:57:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:57:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:57:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:57:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:57:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:57:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:57:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:57:13,482 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:57:13,482 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:57:13,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:13 BoogieIcfgContainer [2020-07-17 13:57:13,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:57:13,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:57:13,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:57:13,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:57:13,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:57:10" (1/3) ... [2020-07-17 13:57:13,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c317839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:13, skipping insertion in model container [2020-07-17 13:57:13,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:11" (2/3) ... [2020-07-17 13:57:13,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c317839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:13, skipping insertion in model container [2020-07-17 13:57:13,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:13" (3/3) ... [2020-07-17 13:57:13,503 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-07-17 13:57:13,515 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:57:13,525 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:57:13,543 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:57:13,568 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:57:13,568 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:57:13,569 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:57:13,569 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:57:13,569 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:57:13,569 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:57:13,569 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:57:13,569 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:57:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 13:57:13,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-17 13:57:13,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:13,623 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] [2020-07-17 13:57:13,623 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:13,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:13,630 INFO L82 PathProgramCache]: Analyzing trace with hash 604783425, now seen corresponding path program 1 times [2020-07-17 13:57:13,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:13,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262805519] [2020-07-17 13:57:13,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:14,290 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 13:57:14,293 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:57:14,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262805519] [2020-07-17 13:57:14,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:57:14,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:57:14,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172178010] [2020-07-17 13:57:14,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:57:14,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:57:14,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:57:14,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:57:14,329 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 13:57:17,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:57:17,847 INFO L93 Difference]: Finished difference Result 1539 states and 2132 transitions. [2020-07-17 13:57:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 13:57:17,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-07-17 13:57:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:57:17,879 INFO L225 Difference]: With dead ends: 1539 [2020-07-17 13:57:17,879 INFO L226 Difference]: Without dead ends: 935 [2020-07-17 13:57:17,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:57:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-07-17 13:57:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 878. [2020-07-17 13:57:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-07-17 13:57:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1089 transitions. [2020-07-17 13:57:18,103 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1089 transitions. Word has length 134 [2020-07-17 13:57:18,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:57:18,106 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1089 transitions. [2020-07-17 13:57:18,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:57:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1089 transitions. [2020-07-17 13:57:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 13:57:18,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:18,126 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 13:57:18,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:57:18,127 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:18,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1174704491, now seen corresponding path program 1 times [2020-07-17 13:57:18,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:18,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213127882] [2020-07-17 13:57:18,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:18,423 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 13:57:18,424 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:57:18,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213127882] [2020-07-17 13:57:18,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:57:18,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:57:18,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596760125] [2020-07-17 13:57:18,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:57:18,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:57:18,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:57:18,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:57:18,428 INFO L87 Difference]: Start difference. First operand 878 states and 1089 transitions. Second operand 5 states. [2020-07-17 13:57:20,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:57:20,465 INFO L93 Difference]: Finished difference Result 2199 states and 2857 transitions. [2020-07-17 13:57:20,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:57:20,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-07-17 13:57:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:57:20,483 INFO L225 Difference]: With dead ends: 2199 [2020-07-17 13:57:20,484 INFO L226 Difference]: Without dead ends: 1343 [2020-07-17 13:57:20,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:57:20,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-07-17 13:57:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1330. [2020-07-17 13:57:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-07-17 13:57:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1680 transitions. [2020-07-17 13:57:20,669 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1680 transitions. Word has length 152 [2020-07-17 13:57:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:57:20,670 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 1680 transitions. [2020-07-17 13:57:20,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:57:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1680 transitions. [2020-07-17 13:57:20,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-17 13:57:20,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:20,677 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] [2020-07-17 13:57:20,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:57:20,678 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:20,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:20,678 INFO L82 PathProgramCache]: Analyzing trace with hash -916548164, now seen corresponding path program 1 times [2020-07-17 13:57:20,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:20,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519398300] [2020-07-17 13:57:20,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:20,987 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 13:57:22,002 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:57:22,378 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:57:22,760 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:57:23,009 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:57:23,273 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:57:23,573 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:57:24,138 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:57:24,479 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:57:24,833 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:57:25,193 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:57:25,858 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:57:26,572 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:57:27,284 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:57:28,054 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:57:28,504 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:57:29,291 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:57:29,770 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:57:30,311 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:57:31,224 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:57:32,055 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:57:32,930 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:57:33,804 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:57:34,361 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:57:35,335 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:57:36,343 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:57:37,386 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:57:38,413 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:57:39,060 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:57:39,753 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:57:40,892 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:57:41,611 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:57:42,825 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:57:44,023 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:57:45,270 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:57:46,042 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:57:46,830 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:57:48,150 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:57:49,853 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:57:51,108 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:57:52,390 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:57:53,198 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:57:54,039 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:57:55,413 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:57:56,873 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:57:58,230 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:58:00,099 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:58:01,488 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:58:02,882 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:58:04,314 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:58:05,777 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:58:07,195 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:58:09,072 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:58:10,383 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:58:11,626 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:58:12,891 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 13:58:14,285 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:58:15,606 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:17,462 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:58:18,788 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:58:20,137 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:21,443 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:58:22,749 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:58:24,082 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:58:25,709 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 13:58:26,926 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:58:28,149 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:58:29,709 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 13:58:30,827 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 13:58:31,798 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 13:58:32,565 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 13:58:33,261 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 13:58:34,011 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:58:34,872 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 13:58:35,463 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:58:36,235 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:58:36,883 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:58:37,520 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:58:38,377 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:58:39,240 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:58:40,139 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:58:41,127 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:58:42,091 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:58:42,883 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:58:43,644 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:58:44,410 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:58:45,213 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:58:46,293 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:58:47,118 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:58:48,259 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:58:49,420 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:58:50,586 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:58:51,791 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:58:53,017 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:58:54,278 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:58:55,545 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:58:56,508 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:58:57,842 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:58:58,525 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 39 [2020-07-17 13:58:58,527 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:58:58,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519398300] [2020-07-17 13:58:58,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:58:58,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [119] imperfect sequences [] total 119 [2020-07-17 13:58:58,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864935147] [2020-07-17 13:58:58,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 120 states [2020-07-17 13:58:58,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:58:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2020-07-17 13:58:58,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5928, Invalid=8352, Unknown=0, NotChecked=0, Total=14280 [2020-07-17 13:58:58,540 INFO L87 Difference]: Start difference. First operand 1330 states and 1680 transitions. Second operand 120 states. [2020-07-17 13:59:02,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:59:02,872 INFO L93 Difference]: Finished difference Result 4873 states and 6617 transitions. [2020-07-17 13:59:02,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 13:59:02,873 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 168 [2020-07-17 13:59:02,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:59:02,910 INFO L225 Difference]: With dead ends: 4873 [2020-07-17 13:59:02,910 INFO L226 Difference]: Without dead ends: 3565 [2020-07-17 13:59:02,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 97.7s TimeCoverageRelationStatistics Valid=5972, Invalid=10030, Unknown=0, NotChecked=0, Total=16002 [2020-07-17 13:59:02,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2020-07-17 13:59:03,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3238. [2020-07-17 13:59:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3238 states. [2020-07-17 13:59:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4256 transitions. [2020-07-17 13:59:03,301 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4256 transitions. Word has length 168 [2020-07-17 13:59:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:59:03,302 INFO L479 AbstractCegarLoop]: Abstraction has 3238 states and 4256 transitions. [2020-07-17 13:59:03,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 120 states. [2020-07-17 13:59:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4256 transitions. [2020-07-17 13:59:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-17 13:59:03,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:59:03,317 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, 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] [2020-07-17 13:59:03,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:59:03,317 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:59:03,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:59:03,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1041104034, now seen corresponding path program 1 times [2020-07-17 13:59:03,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:59:03,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146597165] [2020-07-17 13:59:03,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:59:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:03,578 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 13:59:04,403 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-17 13:59:04,554 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 13:59:04,722 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:59:04,915 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:59:05,317 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:59:05,732 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:59:05,995 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:59:06,286 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:59:06,594 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:59:07,192 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:59:07,544 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:59:07,919 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:59:08,309 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:09,071 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:59:09,831 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:59:10,636 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:59:11,486 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:59:12,022 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:59:12,911 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:59:13,461 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:59:14,036 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:59:15,082 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:59:16,095 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:59:17,056 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:59:18,048 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:59:18,669 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:59:19,756 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:59:20,900 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:59:22,065 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:59:23,256 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:59:23,982 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:59:24,731 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:59:26,041 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:59:26,872 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:59:28,232 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:59:29,620 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:59:31,033 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:59:31,905 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:59:32,821 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:59:34,332 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:59:36,301 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:59:37,756 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:59:39,359 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:59:40,286 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:59:41,259 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:59:42,870 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:59:44,522 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:59:46,088 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:59:48,235 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:59:49,844 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:59:51,454 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:59:53,115 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:59:54,793 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:59:56,415 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:59:58,562 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:00:00,059 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:00:01,577 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:00:03,058 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:00:04,616 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:00:06,158 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:00:08,307 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:00:09,922 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:11,504 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:00:13,049 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:00:14,584 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:00:16,146 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:00:18,044 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:00:19,482 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:00:20,952 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:00:22,809 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:00:24,115 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:00:25,267 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:00:26,172 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:00:26,986 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:00:27,849 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:00:28,857 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 14:00:29,556 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:00:30,467 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:00:31,232 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:00:31,988 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:00:32,991 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:00:33,987 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:00:35,007 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:00:36,060 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:00:37,159 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:00:38,002 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:00:38,897 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:00:39,833 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:00:40,769 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:00:42,024 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:00:42,993 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:00:44,310 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:00:45,666 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:00:47,065 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:00:48,503 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:00:49,947 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:00:51,438 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:00:52,906 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:00:53,994 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:00:55,496 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:00:56,237 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2020-07-17 14:00:56,238 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:00:56,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146597165] [2020-07-17 14:00:56,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:00:56,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [120] imperfect sequences [] total 120 [2020-07-17 14:00:56,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452104771] [2020-07-17 14:00:56,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 121 states [2020-07-17 14:00:56,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:00:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2020-07-17 14:00:56,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5933, Invalid=8587, Unknown=0, NotChecked=0, Total=14520 [2020-07-17 14:00:56,245 INFO L87 Difference]: Start difference. First operand 3238 states and 4256 transitions. Second operand 121 states. [2020-07-17 14:00:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:00:59,000 INFO L93 Difference]: Finished difference Result 6776 states and 9218 transitions. [2020-07-17 14:00:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 14:00:59,002 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 196 [2020-07-17 14:00:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:00:59,032 INFO L225 Difference]: With dead ends: 6776 [2020-07-17 14:00:59,033 INFO L226 Difference]: Without dead ends: 3560 [2020-07-17 14:00:59,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 112.8s TimeCoverageRelationStatistics Valid=5956, Invalid=9296, Unknown=0, NotChecked=0, Total=15252 [2020-07-17 14:00:59,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2020-07-17 14:00:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 2683. [2020-07-17 14:00:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2683 states. [2020-07-17 14:00:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3428 transitions. [2020-07-17 14:00:59,504 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3428 transitions. Word has length 196 [2020-07-17 14:00:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:00:59,504 INFO L479 AbstractCegarLoop]: Abstraction has 2683 states and 3428 transitions. [2020-07-17 14:00:59,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 121 states. [2020-07-17 14:00:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3428 transitions. [2020-07-17 14:00:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-17 14:00:59,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:00:59,518 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:00:59,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:00:59,521 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:00:59,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:00:59,521 INFO L82 PathProgramCache]: Analyzing trace with hash -452213321, now seen corresponding path program 1 times [2020-07-17 14:00:59,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:00:59,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770468633] [2020-07-17 14:00:59,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:00:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:00:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:00:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:00:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:00:59,783 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 14:01:00,883 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-17 14:01:01,098 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-17 14:01:01,350 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-17 14:01:01,656 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:01:01,895 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 14:01:02,310 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-07-17 14:01:02,775 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:01:03,063 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:01:03,371 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:01:03,723 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:01:04,375 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 14:01:04,771 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:01:05,194 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:01:05,646 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:01:06,487 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:01:07,477 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:01:08,394 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:01:09,340 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:01:09,909 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:01:10,901 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:01:11,495 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 14:01:12,117 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:01:13,277 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-07-17 14:01:14,322 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-07-17 14:01:15,384 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 14:01:16,487 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 14:01:17,168 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 14:01:18,377 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:01:19,668 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:01:20,949 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:01:22,278 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 14:01:23,087 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 14:01:23,950 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 14:01:25,472 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:01:26,382 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:01:27,984 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:01:29,554 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:01:31,138 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:01:32,108 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:01:33,132 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:01:34,842 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2020-07-17 14:01:37,099 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-07-17 14:01:38,703 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:01:40,360 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-07-17 14:01:41,375 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:01:42,419 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:01:44,227 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 14:01:46,069 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 14:01:47,792 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 14:01:50,181 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:01:51,950 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:01:53,734 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2020-07-17 14:01:55,567 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 14:01:57,441 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:01:59,245 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 14:02:01,673 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:02:03,385 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2020-07-17 14:02:05,024 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:02:06,661 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:02:08,384 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:02:10,136 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:02:12,420 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:02:14,194 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:02:15,932 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:02:17,672 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:02:19,401 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:02:21,170 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2020-07-17 14:02:23,324 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-07-17 14:02:24,965 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:02:26,587 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 14:02:28,659 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-07-17 14:02:30,133 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-07-17 14:02:31,442 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-07-17 14:02:32,488 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-07-17 14:02:33,441 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2020-07-17 14:02:34,458 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-07-17 14:02:35,591 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-07-17 14:02:36,397 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:02:37,434 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:02:38,306 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:02:39,206 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:02:40,351 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 14:02:41,472 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 14:02:42,649 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 14:02:43,867 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 14:02:45,122 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:02:46,104 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:02:47,132 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:02:48,192 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:02:49,283 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:02:50,751 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 14:02:51,837 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:02:53,335 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 14:02:54,876 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:02:56,474 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 14:02:58,134 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:02:59,826 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:03:01,596 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:03:03,324 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:03:04,632 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:03:06,467 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:03:07,335 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2020-07-17 14:03:07,336 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:03:07,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770468633] [2020-07-17 14:03:07,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:03:07,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [126] imperfect sequences [] total 126 [2020-07-17 14:03:07,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998666034] [2020-07-17 14:03:07,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 127 states [2020-07-17 14:03:07,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:03:07,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2020-07-17 14:03:07,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5862, Invalid=10140, Unknown=0, NotChecked=0, Total=16002 [2020-07-17 14:03:07,344 INFO L87 Difference]: Start difference. First operand 2683 states and 3428 transitions. Second operand 127 states. [2020-07-17 14:03:08,363 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2020-07-17 14:03:08,701 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 89 [2020-07-17 14:03:08,915 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:03:09,351 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 92 [2020-07-17 14:03:10,010 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 93 [2020-07-17 14:03:10,610 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2020-07-17 14:03:11,603 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-07-17 14:03:12,832 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 107 [2020-07-17 14:03:13,270 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 14:03:14,060 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 108 [2020-07-17 14:03:14,334 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:03:14,510 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-17 14:03:14,752 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 14:03:15,153 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 14:03:15,579 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:03:15,745 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:03:16,164 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 14:03:16,363 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:03:17,182 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 111 [2020-07-17 14:03:17,582 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 14:03:17,811 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:03:18,494 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-07-17 14:03:18,892 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 14:03:19,139 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:03:19,630 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:03:19,914 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 14:03:20,698 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 107 [2020-07-17 14:03:21,202 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 14:03:21,519 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 14:03:22,211 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-07-17 14:03:22,733 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-17 14:03:23,102 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 14:03:24,132 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2020-07-17 14:03:24,521 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 14:03:25,388 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 105 [2020-07-17 14:03:25,850 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 14:03:26,925 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-07-17 14:03:27,376 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 14:03:27,925 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 14:03:29,064 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-07-17 14:03:29,601 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:03:30,816 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-07-17 14:03:31,191 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2020-07-17 14:03:31,743 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 14:03:33,010 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2020-07-17 14:03:33,383 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-07-17 14:03:33,965 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-17 14:03:35,294 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2020-07-17 14:03:36,056 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-17 14:03:36,506 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 88 [2020-07-17 14:03:37,864 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2020-07-17 14:03:38,555 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-07-17 14:03:38,890 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-07-17 14:03:39,602 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:03:40,072 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-07-17 14:03:41,520 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2020-07-17 14:03:42,264 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-07-17 14:03:43,991 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2020-07-17 14:03:44,730 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 14:03:45,344 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 14:03:46,940 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2020-07-17 14:03:47,767 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:03:48,252 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-07-17 14:03:49,692 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2020-07-17 14:03:50,506 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:03:51,119 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 91 [2020-07-17 14:03:52,627 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-07-17 14:03:53,470 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:03:54,572 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 106 [2020-07-17 14:03:56,142 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 138 DAG size of output: 135 [2020-07-17 14:03:57,044 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:03:57,346 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2020-07-17 14:03:58,389 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:03:58,724 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2020-07-17 14:04:00,690 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2020-07-17 14:04:01,564 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:04:03,325 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2020-07-17 14:04:04,172 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:04:06,025 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-07-17 14:04:06,946 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:04:08,094 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 107 [2020-07-17 14:04:09,926 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-07-17 14:04:10,580 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2020-07-17 14:04:11,534 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:04:12,461 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 104 [2020-07-17 14:04:14,412 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2020-07-17 14:04:15,495 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:04:16,431 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2020-07-17 14:04:18,495 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2020-07-17 14:04:19,672 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:04:21,863 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2020-07-17 14:04:22,251 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:04:23,430 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:04:23,663 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:04:25,936 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 14:04:27,093 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:04:29,378 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 14:04:30,632 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:04:32,042 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:04:34,468 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-07-17 14:04:35,773 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:04:38,226 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-07-17 14:04:39,555 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:04:40,275 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2020-07-17 14:04:42,685 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2020-07-17 14:04:43,969 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:04:46,388 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-07-17 14:04:47,259 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 94 [2020-07-17 14:04:48,599 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:04:50,916 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 14:04:51,821 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 14:04:53,142 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:04:55,554 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-07-17 14:04:56,960 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:04:59,360 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2020-07-17 14:05:00,863 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:05:01,081 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-17 14:05:03,579 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-07-17 14:05:05,121 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:05:07,898 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2020-07-17 14:05:09,361 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:05:09,715 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-07-17 14:05:12,407 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2020-07-17 14:05:13,864 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:05:16,686 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 151 DAG size of output: 147 [2020-07-17 14:05:18,164 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:05:20,903 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-07-17 14:05:22,462 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:05:25,190 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-07-17 14:05:26,767 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 14:05:29,577 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2020-07-17 14:05:31,245 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 14:05:34,162 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2020-07-17 14:05:35,896 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 14:05:36,301 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2020-07-17 14:05:39,080 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-07-17 14:05:40,715 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:05:42,515 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:05:45,222 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 147 DAG size of output: 142 [2020-07-17 14:05:46,967 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 14:05:48,822 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 14:05:51,359 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2020-07-17 14:05:53,142 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 14:05:53,923 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-07-17 14:05:54,698 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2020-07-17 14:05:57,146 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2020-07-17 14:05:59,061 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 14:06:00,320 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 98 [2020-07-17 14:06:01,255 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-07-17 14:06:03,220 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 14:06:03,971 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2020-07-17 14:06:06,344 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:06:07,722 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2020-07-17 14:06:09,460 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:06:10,373 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2020-07-17 14:06:10,692 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2020-07-17 14:06:12,369 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:06:12,804 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-07-17 14:06:15,491 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-17 14:06:15,872 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-07-17 14:06:17,559 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:06:20,211 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:06:21,990 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:06:23,257 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 97 [2020-07-17 14:06:23,677 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2020-07-17 14:06:26,238 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:06:27,850 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:06:30,290 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-17 14:06:31,605 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 100 [2020-07-17 14:06:33,267 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:06:34,028 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 97 [2020-07-17 14:06:34,261 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 14:06:36,551 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-07-17 14:06:38,284 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:06:40,789 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-17 14:06:41,160 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-07-17 14:06:42,852 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:06:44,072 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2020-07-17 14:06:46,355 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 140 DAG size of output: 134 [2020-07-17 14:06:48,078 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:06:48,937 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2020-07-17 14:06:51,117 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-07-17 14:06:52,870 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:06:55,081 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-07-17 14:06:55,478 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:06:57,229 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:06:59,324 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2020-07-17 14:07:01,141 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:07:03,108 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-07-17 14:07:04,745 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:07:06,532 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:07:07,921 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 14:07:09,652 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:07:11,055 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 14:07:12,747 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:07:13,624 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2020-07-17 14:07:15,114 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 14:07:16,733 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:07:18,164 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 14:07:19,546 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2020-07-17 14:07:20,984 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-07-17 14:07:22,135 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 14:07:23,049 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 14:07:23,969 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2020-07-17 14:07:25,254 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 14:07:26,074 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 14:07:27,369 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 14:07:28,260 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 14:07:29,611 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 14:07:30,421 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 14:07:31,736 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 14:07:32,545 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 14:07:33,904 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 14:07:34,735 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 14:07:35,124 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2020-07-17 14:07:36,459 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 14:07:37,332 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 14:07:38,318 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:07:39,689 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 14:07:40,546 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:07:41,921 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-07-17 14:07:42,728 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 14:07:44,013 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-07-17 14:07:44,892 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 14:07:45,767 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 14:07:47,083 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 14:07:47,962 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 14:07:49,322 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 14:07:50,206 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 14:07:51,603 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-07-17 14:07:52,512 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 14:07:53,926 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 14:07:54,863 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 14:07:56,296 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 14:07:57,284 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:07:58,769 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-07-17 14:07:59,741 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 14:08:01,247 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-07-17 14:08:02,274 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 14:08:03,353 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-17 14:08:04,923 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2020-07-17 14:08:05,969 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-17 14:08:07,579 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2020-07-17 14:08:08,656 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-07-17 14:08:10,322 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-07-17 14:08:11,445 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 14:08:12,622 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 14:08:13,880 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-17 14:08:15,111 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-17 14:08:16,420 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-17 14:08:17,662 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-07-17 14:08:18,736 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-07-17 14:08:19,771 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:08:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:08:19,948 INFO L93 Difference]: Finished difference Result 7447 states and 9953 transitions. [2020-07-17 14:08:19,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2020-07-17 14:08:19,953 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 212 [2020-07-17 14:08:19,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:08:19,962 INFO L225 Difference]: With dead ends: 7447 [2020-07-17 14:08:19,962 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 14:08:19,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 413 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54980 ImplicationChecksByTransitivity, 424.9s TimeCoverageRelationStatistics Valid=39377, Invalid=132433, Unknown=0, NotChecked=0, Total=171810 [2020-07-17 14:08:19,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 14:08:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 14:08:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 14:08:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 14:08:20,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-17 14:08:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:08:20,000 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 14:08:20,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 127 states. [2020-07-17 14:08:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 14:08:20,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 14:08:20,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:08:20,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 14:08:25,981 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 219 [2020-07-17 14:09:13,278 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 353 [2020-07-17 14:09:13,488 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 312 [2020-07-17 14:09:13,712 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 255 [2020-07-17 14:09:13,978 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 309 [2020-07-17 14:09:14,219 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 330 [2020-07-17 14:09:14,376 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 268 [2020-07-17 14:09:14,500 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 286 [2020-07-17 14:09:14,850 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 231 [2020-07-17 14:09:14,993 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 261 [2020-07-17 14:09:15,118 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-07-17 14:09:15,272 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 246 [2020-07-17 14:09:15,439 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 301 [2020-07-17 14:09:15,689 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 358 [2020-07-17 14:09:15,896 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 315 [2020-07-17 14:09:16,252 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 353 [2020-07-17 14:09:16,469 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 312 [2020-07-17 14:09:16,651 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 255 [2020-07-17 14:09:16,936 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 309 [2020-07-17 14:09:17,187 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 330 [2020-07-17 14:09:17,320 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 268 [2020-07-17 14:09:17,470 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 286 [2020-07-17 14:09:17,666 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-07-17 14:09:17,833 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 231 [2020-07-17 14:09:17,970 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 261 [2020-07-17 14:09:18,080 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-07-17 14:09:18,208 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 246 [2020-07-17 14:09:18,418 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 301 [2020-07-17 14:09:18,714 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 358 [2020-07-17 14:09:18,931 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 315 [2020-07-17 14:09:19,039 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 214 [2020-07-17 14:09:35,952 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-07-17 14:09:38,858 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 443 DAG size of output: 113 [2020-07-17 14:09:41,211 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 429 DAG size of output: 102 [2020-07-17 14:09:45,075 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 477 DAG size of output: 130 [2020-07-17 14:09:47,736 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 447 DAG size of output: 118 [2020-07-17 14:09:48,237 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 59 [2020-07-17 14:09:48,709 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-07-17 14:09:49,163 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-07-17 14:09:52,693 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 447 DAG size of output: 118 [2020-07-17 14:09:53,178 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 59 [2020-07-17 14:09:56,776 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 447 DAG size of output: 125 [2020-07-17 14:10:01,830 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 537 DAG size of output: 126 [2020-07-17 14:10:07,397 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 544 DAG size of output: 123 [2020-07-17 14:10:10,150 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 332 DAG size of output: 116 [2020-07-17 14:10:15,868 WARN L193 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 537 DAG size of output: 146 [2020-07-17 14:10:18,239 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 336 DAG size of output: 113 [2020-07-17 14:10:18,565 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-07-17 14:10:18,898 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-07-17 14:10:20,788 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 334 DAG size of output: 117 [2020-07-17 14:10:27,375 WARN L193 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 542 DAG size of output: 138 [2020-07-17 14:10:27,677 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-07-17 14:10:32,890 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 496 DAG size of output: 141 [2020-07-17 14:10:34,603 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 293 DAG size of output: 124