/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:43:42,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:43:42,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:43:42,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:43:42,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:43:42,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:43:42,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:43:42,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:43:42,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:43:42,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:43:42,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:43:42,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:43:42,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:43:42,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:43:42,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:43:42,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:43:42,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:43:42,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:43:42,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:43:42,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:43:42,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:43:42,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:43:42,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:43:42,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:43:42,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:43:42,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:43:42,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:43:42,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:43:42,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:43:42,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:43:42,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:43:42,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:43:42,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:43:42,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:43:42,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:43:42,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:43:42,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:43:42,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:43:42,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:43:42,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:43:42,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:43:42,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:43:42,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:43:42,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:43:42,715 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:43:42,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:43:42,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:43:42,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:43:42,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:43:42,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:43:42,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:43:42,716 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:43:43,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:43:43,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:43:43,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:43:43,055 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:43:43,056 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:43:43,057 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-07-17 13:43:43,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570976674/89bced3bda414b3b95c8858a07fefe76/FLAG4213133e7 [2020-07-17 13:43:43,776 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:43:43,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-07-17 13:43:43,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570976674/89bced3bda414b3b95c8858a07fefe76/FLAG4213133e7 [2020-07-17 13:43:44,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570976674/89bced3bda414b3b95c8858a07fefe76 [2020-07-17 13:43:44,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:43:44,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:43:44,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:43:44,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:43:44,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:43:44,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e0a361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44, skipping insertion in model container [2020-07-17 13:43:44,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:43:44,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:43:44,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:43:44,648 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:43:44,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:43:44,906 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:43:44,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44 WrapperNode [2020-07-17 13:43:44,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:43:44,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:43:44,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:43:44,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:43:44,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:44,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:45,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:45,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... [2020-07-17 13:43:45,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:43:45,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:43:45,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:43:45,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:43:45,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:43:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:43:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:43:45,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:43:45,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:43:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:43:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:43:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:43:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:43:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:43:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:43:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:43:46,570 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:43:46,571 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:43:46,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:43:46 BoogieIcfgContainer [2020-07-17 13:43:46,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:43:46,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:43:46,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:43:46,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:43:46,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:43:44" (1/3) ... [2020-07-17 13:43:46,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba2f24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:43:46, skipping insertion in model container [2020-07-17 13:43:46,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:44" (2/3) ... [2020-07-17 13:43:46,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba2f24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:43:46, skipping insertion in model container [2020-07-17 13:43:46,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:43:46" (3/3) ... [2020-07-17 13:43:46,593 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-07-17 13:43:46,605 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:43:46,615 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:43:46,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:43:46,657 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:43:46,657 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:43:46,657 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:43:46,657 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:43:46,658 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:43:46,658 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:43:46,658 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:43:46,658 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:43:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-07-17 13:43:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-17 13:43:46,713 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:46,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:43:46,715 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:46,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:46,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1333625535, now seen corresponding path program 1 times [2020-07-17 13:43:46,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:46,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427494373] [2020-07-17 13:43:46,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:43:47,574 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:43:47,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427494373] [2020-07-17 13:43:47,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:43:47,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:43:47,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606899319] [2020-07-17 13:43:47,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:43:47,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:43:47,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:43:47,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:43:47,614 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 5 states. [2020-07-17 13:43:50,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:43:50,805 INFO L93 Difference]: Finished difference Result 1360 states and 1895 transitions. [2020-07-17 13:43:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 13:43:50,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-07-17 13:43:50,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:43:50,836 INFO L225 Difference]: With dead ends: 1360 [2020-07-17 13:43:50,836 INFO L226 Difference]: Without dead ends: 781 [2020-07-17 13:43:50,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:43:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-07-17 13:43:51,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 746. [2020-07-17 13:43:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-07-17 13:43:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 914 transitions. [2020-07-17 13:43:51,072 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 914 transitions. Word has length 156 [2020-07-17 13:43:51,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:43:51,073 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 914 transitions. [2020-07-17 13:43:51,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:43:51,074 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 914 transitions. [2020-07-17 13:43:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 13:43:51,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:51,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:43:51,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:43:51,086 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:51,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:51,086 INFO L82 PathProgramCache]: Analyzing trace with hash 2141714320, now seen corresponding path program 1 times [2020-07-17 13:43:51,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:51,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513132299] [2020-07-17 13:43:51,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:43:52,162 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:43:52,330 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:43:52,671 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:43:52,893 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:43:53,130 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:43:53,419 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:43:53,739 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:43:54,063 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:43:54,645 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:43:55,561 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:43:55,949 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:43:56,649 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:43:57,066 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:43:57,836 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:43:58,324 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:43:58,807 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:43:59,318 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:43:59,865 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:44:00,467 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:44:01,060 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:44:01,682 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:44:02,375 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:44:03,073 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:44:04,355 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:44:05,636 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:44:06,970 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:44:08,335 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:44:09,198 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:44:10,608 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:12,616 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-07-17 13:44:14,053 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:16,037 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:16,905 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:44:17,810 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:44:19,367 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:44:20,311 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:44:21,300 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:44:23,654 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:25,336 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:27,055 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 13:44:28,809 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:30,596 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:44:32,328 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:44:34,081 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:44:35,838 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:36,961 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:44:39,438 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:44:41,191 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:44:42,988 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:44:44,789 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:46,545 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-07-17 13:44:48,974 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:50,717 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:52,393 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:44:54,106 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:44:56,298 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-07-17 13:44:57,869 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:44:59,436 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:45:01,646 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:45:03,502 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-07-17 13:45:05,017 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:45:06,311 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-07-17 13:45:07,437 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 13:45:08,278 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-07-17 13:45:08,866 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:45:09,492 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:45:10,355 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:45:11,035 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:45:11,901 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:45:12,805 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:45:13,528 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:45:14,467 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:45:15,211 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:45:15,984 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:45:17,011 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:45:18,041 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:45:19,095 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:45:20,134 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:45:20,966 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:45:22,048 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:45:23,148 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:45:24,208 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:45:25,298 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:45:26,435 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:45:27,603 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:45:28,805 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:45:30,050 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:45:31,345 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:45:32,657 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:45:33,880 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:45:35,128 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:45:36,087 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:45:37,415 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:45:38,754 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:45:39,774 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:45:41,122 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 13:45:42,477 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:45:43,850 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:45:45,231 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:45:46,293 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:45:47,709 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:45:49,151 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:45:50,602 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:45:52,061 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:45:53,549 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:45:55,045 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:45:56,559 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:45:58,092 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:45:59,631 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:46:01,200 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:46:02,822 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:46:04,400 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:46:05,972 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:46:07,560 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:46:09,132 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 13:46:10,649 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:46:12,123 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:46:13,580 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:46:15,000 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:46:16,436 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:46:17,282 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-07-17 13:46:17,284 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:46:17,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513132299] [2020-07-17 13:46:17,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:46:17,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [139] imperfect sequences [] total 139 [2020-07-17 13:46:17,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886578752] [2020-07-17 13:46:17,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 140 states [2020-07-17 13:46:17,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:46:17,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2020-07-17 13:46:17,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8298, Invalid=11162, Unknown=0, NotChecked=0, Total=19460 [2020-07-17 13:46:17,302 INFO L87 Difference]: Start difference. First operand 746 states and 914 transitions. Second operand 140 states. [2020-07-17 13:46:22,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:46:22,039 INFO L93 Difference]: Finished difference Result 1887 states and 2410 transitions. [2020-07-17 13:46:22,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:46:22,040 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 177 [2020-07-17 13:46:22,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:46:22,062 INFO L225 Difference]: With dead ends: 1887 [2020-07-17 13:46:22,062 INFO L226 Difference]: Without dead ends: 1165 [2020-07-17 13:46:22,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1704 ImplicationChecksByTransitivity, 145.9s TimeCoverageRelationStatistics Valid=8328, Invalid=12552, Unknown=0, NotChecked=0, Total=20880 [2020-07-17 13:46:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-07-17 13:46:22,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1038. [2020-07-17 13:46:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-07-17 13:46:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1316 transitions. [2020-07-17 13:46:22,263 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1316 transitions. Word has length 177 [2020-07-17 13:46:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:46:22,264 INFO L479 AbstractCegarLoop]: Abstraction has 1038 states and 1316 transitions. [2020-07-17 13:46:22,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 140 states. [2020-07-17 13:46:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1316 transitions. [2020-07-17 13:46:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-17 13:46:22,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:46:22,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:22,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:46:22,272 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:46:22,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:46:22,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1186951690, now seen corresponding path program 1 times [2020-07-17 13:46:22,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:46:22,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571557707] [2020-07-17 13:46:22,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:46:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:22,523 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 13:46:23,158 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:46:23,358 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:46:23,554 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:46:23,957 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:46:24,207 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:46:24,487 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:46:24,823 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:46:25,177 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:46:25,559 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:46:26,280 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:46:27,398 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-07-17 13:46:27,873 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:46:28,684 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:46:29,165 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:46:30,109 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:46:30,658 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:46:31,248 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:46:31,864 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:46:32,519 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:46:33,206 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:46:33,910 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:46:34,645 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:46:35,437 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:46:36,250 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:46:37,722 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:46:39,268 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:46:40,835 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:46:42,483 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:46:43,442 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:46:45,141 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:46:47,560 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:46:49,241 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:46:51,663 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:46:52,717 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:46:53,790 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:46:55,642 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:46:56,775 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:46:57,945 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:47:00,815 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:02,861 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:05,012 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:47:07,094 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:47:09,236 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:47:11,301 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-07-17 13:47:13,407 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:47:15,536 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:47:16,874 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:47:19,867 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:47:21,956 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-07-17 13:47:24,099 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:47:26,251 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:47:28,392 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:47:31,372 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:33,543 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:35,621 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-07-17 13:47:37,728 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:47:40,314 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:47:42,231 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:47:44,153 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:47:46,781 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:47:49,083 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:47:50,805 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:47:52,387 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-07-17 13:47:53,751 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2020-07-17 13:47:54,820 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-07-17 13:47:55,576 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:47:56,380 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:47:57,430 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:47:58,271 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:47:59,381 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-07-17 13:48:00,512 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 13:48:01,446 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:48:02,641 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:48:03,603 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:48:04,583 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:48:05,900 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:48:07,190 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:48:08,555 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:48:09,885 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:48:10,935 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:48:12,286 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:48:13,657 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:48:15,008 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:48:16,385 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:48:17,812 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:48:19,282 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:48:20,787 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:48:22,379 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:48:24,003 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:48:25,576 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:48:27,098 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-07-17 13:48:28,669 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:48:29,902 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:48:31,562 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:48:33,220 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:48:34,530 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:48:36,038 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:48:37,662 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:48:39,260 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:48:40,884 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:48:42,158 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:48:43,786 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:48:45,443 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:48:47,037 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:48:48,618 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:48:50,250 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:48:51,873 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:48:53,506 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:48:55,188 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:48:56,881 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:48:58,612 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:49:00,348 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:49:02,063 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 13:49:03,777 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:49:05,520 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:49:07,204 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:49:08,849 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-17 13:49:10,457 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:49:12,012 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-07-17 13:49:13,551 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:49:15,136 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:49:15,969 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2020-07-17 13:49:15,970 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:49:15,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571557707] [2020-07-17 13:49:15,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:49:15,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [138] imperfect sequences [] total 138 [2020-07-17 13:49:15,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921816805] [2020-07-17 13:49:15,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 139 states [2020-07-17 13:49:15,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:49:15,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2020-07-17 13:49:15,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8295, Invalid=10887, Unknown=0, NotChecked=0, Total=19182 [2020-07-17 13:49:15,981 INFO L87 Difference]: Start difference. First operand 1038 states and 1316 transitions. Second operand 139 states. [2020-07-17 13:49:19,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:49:19,019 INFO L93 Difference]: Finished difference Result 2440 states and 3203 transitions. [2020-07-17 13:49:19,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:49:19,021 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 210 [2020-07-17 13:49:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:49:19,040 INFO L225 Difference]: With dead ends: 2440 [2020-07-17 13:49:19,041 INFO L226 Difference]: Without dead ends: 1426 [2020-07-17 13:49:19,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 173.6s TimeCoverageRelationStatistics Valid=8322, Invalid=12270, Unknown=0, NotChecked=0, Total=20592 [2020-07-17 13:49:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2020-07-17 13:49:19,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1224. [2020-07-17 13:49:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2020-07-17 13:49:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1564 transitions. [2020-07-17 13:49:19,251 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1564 transitions. Word has length 210 [2020-07-17 13:49:19,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:49:19,254 INFO L479 AbstractCegarLoop]: Abstraction has 1224 states and 1564 transitions. [2020-07-17 13:49:19,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 139 states. [2020-07-17 13:49:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1564 transitions. [2020-07-17 13:49:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-17 13:49:19,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:49:19,263 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:49:19,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:49:19,264 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:49:19,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:49:19,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1833978793, now seen corresponding path program 1 times [2020-07-17 13:49:19,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:49:19,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111355420] [2020-07-17 13:49:19,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:49:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:49:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:49:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:49:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:49:19,673 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 13:49:20,471 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-17 13:49:20,717 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:49:21,016 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:49:21,379 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:49:22,044 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:49:22,316 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:49:22,604 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:49:22,952 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:49:23,319 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:49:23,723 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:49:24,459 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:49:25,604 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:49:26,077 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:49:26,906 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 13:49:27,407 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:49:28,350 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:49:28,913 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:49:29,495 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:49:30,167 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:49:30,831 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:49:31,534 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:49:32,245 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:49:32,983 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:49:33,762 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:49:34,587 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:49:36,106 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:49:37,644 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:49:39,342 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:49:41,024 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:49:42,013 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:49:43,717 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:49:46,144 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:49:47,865 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:49:50,320 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:49:51,379 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:49:52,440 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:49:54,342 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:49:55,502 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:49:56,718 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:49:59,616 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:50:01,801 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:50:04,029 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-07-17 13:50:06,197 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:50:08,413 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2020-07-17 13:50:10,544 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 13:50:12,758 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:50:14,937 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:50:16,319 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:50:19,379 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 13:50:21,565 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-07-17 13:50:23,802 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:50:26,050 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:50:28,278 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:50:31,359 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:50:33,619 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:50:35,783 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:50:38,032 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2020-07-17 13:50:40,841 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-07-17 13:50:42,906 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:50:44,956 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:50:47,727 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:50:50,176 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:50:52,027 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:50:53,728 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-07-17 13:50:55,214 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-07-17 13:50:56,400 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-07-17 13:50:57,266 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:50:58,154 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:50:59,324 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:51:00,263 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:51:01,498 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:51:02,765 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:51:03,761 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:51:05,061 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:51:06,086 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:51:07,163 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:51:08,569 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:51:09,992 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:51:11,450 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:51:12,879 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:51:14,000 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:51:15,468 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:51:17,011 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:51:18,484 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:51:19,986 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:51:21,564 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:51:23,160 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:51:24,824 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:51:26,532 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:51:28,287 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:51:30,014 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:51:31,686 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:51:33,370 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:51:34,717 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:51:36,554 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:51:38,397 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:51:39,843 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:51:41,709 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-07-17 13:51:43,631 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:51:45,568 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:51:47,485 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:51:49,017 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:51:50,991 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:51:53,042 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:51:55,114 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:51:57,169 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:51:59,290 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:52:01,403 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:52:03,550 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:52:05,757 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:52:07,992 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:52:10,262 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:52:12,550 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-07-17 13:52:14,824 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-07-17 13:52:17,145 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:52:19,458 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:52:21,719 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 13:52:23,920 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 13:52:26,111 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:52:28,288 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:52:30,432 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:52:32,612 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:52:33,644 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-07-17 13:52:33,645 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:52:33,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111355420] [2020-07-17 13:52:33,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:52:33,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [139] imperfect sequences [] total 139 [2020-07-17 13:52:33,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904927029] [2020-07-17 13:52:33,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 140 states [2020-07-17 13:52:33,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:52:33,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2020-07-17 13:52:33,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8298, Invalid=11162, Unknown=0, NotChecked=0, Total=19460 [2020-07-17 13:52:33,651 INFO L87 Difference]: Start difference. First operand 1224 states and 1564 transitions. Second operand 140 states. [2020-07-17 13:52:34,879 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-07-17 13:52:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:52:41,044 INFO L93 Difference]: Finished difference Result 3606 states and 4834 transitions. [2020-07-17 13:52:41,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 13:52:41,049 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 217 [2020-07-17 13:52:41,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:52:41,069 INFO L225 Difference]: With dead ends: 3606 [2020-07-17 13:52:41,070 INFO L226 Difference]: Without dead ends: 2406 [2020-07-17 13:52:41,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2250 ImplicationChecksByTransitivity, 194.5s TimeCoverageRelationStatistics Valid=8359, Invalid=13693, Unknown=0, NotChecked=0, Total=22052 [2020-07-17 13:52:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2020-07-17 13:52:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 1710. [2020-07-17 13:52:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1710 states. [2020-07-17 13:52:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2169 transitions. [2020-07-17 13:52:41,352 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2169 transitions. Word has length 217 [2020-07-17 13:52:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:52:41,354 INFO L479 AbstractCegarLoop]: Abstraction has 1710 states and 2169 transitions. [2020-07-17 13:52:41,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 140 states. [2020-07-17 13:52:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2169 transitions. [2020-07-17 13:52:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-07-17 13:52:41,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:52:41,365 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:52:41,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:52:41,365 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:52:41,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:52:41,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1298220205, now seen corresponding path program 1 times [2020-07-17 13:52:41,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:52:41,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055748713] [2020-07-17 13:52:41,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:52:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:41,880 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 13:52:42,374 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-07-17 13:52:42,862 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:52:43,113 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:52:43,404 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:52:44,005 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 13:52:44,352 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:52:44,733 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:52:45,208 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:52:45,725 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:52:46,240 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:52:47,281 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-07-17 13:52:48,869 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-07-17 13:52:49,517 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:52:50,667 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:52:51,370 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:52:52,658 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:52:53,418 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:52:54,219 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:52:55,095 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:52:56,129 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:52:57,103 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:52:58,170 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:52:59,246 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:53:00,407 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 13:53:01,638 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:53:03,952 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 13:53:06,214 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:53:08,535 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2020-07-17 13:53:10,929 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:53:12,343 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:53:14,806 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:53:18,325 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-07-17 13:53:20,798 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:53:24,375 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:53:25,885 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:53:27,440 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:53:30,176 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:53:31,808 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 13:53:33,484 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:53:37,722 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-07-17 13:53:40,757 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-07-17 13:53:43,823 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2020-07-17 13:53:46,956 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:53:50,196 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-07-17 13:53:53,257 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-07-17 13:53:56,494 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:53:59,676 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:54:01,674 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 13:54:06,163 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-07-17 13:54:09,394 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:54:12,691 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:54:15,991 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:54:19,255 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-07-17 13:54:23,830 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-07-17 13:54:27,121 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-07-17 13:54:30,341 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:54:33,567 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:54:37,613 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2020-07-17 13:54:40,728 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:54:43,841 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:54:48,055 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:54:51,732 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2020-07-17 13:54:54,527 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 13:54:57,158 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-07-17 13:54:59,426 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2020-07-17 13:55:01,233 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-07-17 13:55:02,573 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:55:03,991 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:55:05,854 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:55:07,363 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:55:09,284 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:55:11,259 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:55:12,830 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:55:14,837 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:55:16,478 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:55:18,148 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:55:20,420 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:55:22,648 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:55:24,993 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:55:27,269 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 13:55:29,012 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:55:31,411 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:55:33,753 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:55:36,096 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 13:55:38,396 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:55:40,855 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:55:43,388 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:55:46,078 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:55:48,773 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:55:51,575 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:55:54,229 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 13:55:57,014 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 13:55:59,845 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:56:02,150 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:56:05,244 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:56:08,339 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:56:10,714 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:56:13,799 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 13:56:17,008 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:56:20,218 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:56:23,456 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 13:56:25,975 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:56:29,288 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:56:32,653 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:56:36,158 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:56:39,666 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:56:43,214 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:56:46,871 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:56:50,488 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:56:54,209 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:56:57,989 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:57:01,859 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:57:05,732 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:57:09,503 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 13:57:13,321 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:57:17,181 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 88 DAG size of output: 88