/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:53:47,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:53:47,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:53:47,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:53:47,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:53:47,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:53:47,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:53:47,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:53:47,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:53:47,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:53:47,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:53:47,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:53:47,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:53:47,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:53:47,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:53:47,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:53:47,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:53:47,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:53:47,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:53:47,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:53:47,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:53:47,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:53:47,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:53:47,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:53:47,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:53:47,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:53:47,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:53:47,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:53:47,411 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 13:53:47,427 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:53:47,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:53:47,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:53:47,430 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:53:47,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:53:47,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:53:47,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:53:47,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:53:47,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:53:47,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:53:47,433 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:53:47,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:53:47,433 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:53:47,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:53:47,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:53:47,434 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:53:47,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:53:47,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:53:47,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:53:47,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:53:47,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:53:47,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:53:47,441 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:53:47,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:53:47,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:53:47,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:53:47,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:53:47,767 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:53:47,768 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-17 13:53:47,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3e56b134/387f6983fc1c44c7a83c274b3e9b4e7b/FLAG501001a9f [2020-07-17 13:53:48,592 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:53:48,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-17 13:53:48,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3e56b134/387f6983fc1c44c7a83c274b3e9b4e7b/FLAG501001a9f [2020-07-17 13:53:48,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3e56b134/387f6983fc1c44c7a83c274b3e9b4e7b [2020-07-17 13:53:48,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:53:48,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:53:48,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:53:48,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:53:48,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:53:48,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:53:48" (1/1) ... [2020-07-17 13:53:48,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c26240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:48, skipping insertion in model container [2020-07-17 13:53:48,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:53:48" (1/1) ... [2020-07-17 13:53:48,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:53:48,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:53:49,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:53:49,398 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:53:49,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:53:49,732 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:53:49,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49 WrapperNode [2020-07-17 13:53:49,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:53:49,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:53:49,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:53:49,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:53:49,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (1/1) ... [2020-07-17 13:53:49,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:53:49,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:53:49,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:53:49,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:53:49,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (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 13:53:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:53:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:53:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:53:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:53:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:53:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:53:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:53:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:53:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:53:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:53:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:53:51,431 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:53:51,432 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:53:51,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:53:51 BoogieIcfgContainer [2020-07-17 13:53:51,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:53:51,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:53:51,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:53:51,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:53:51,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:53:48" (1/3) ... [2020-07-17 13:53:51,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62dd7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:53:51, skipping insertion in model container [2020-07-17 13:53:51,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:53:49" (2/3) ... [2020-07-17 13:53:51,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62dd7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:53:51, skipping insertion in model container [2020-07-17 13:53:51,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:53:51" (3/3) ... [2020-07-17 13:53:51,453 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2020-07-17 13:53:51,465 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:53:51,476 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:53:51,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:53:51,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:53:51,520 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:53:51,520 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:53:51,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:53:51,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:53:51,521 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:53:51,521 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:53:51,521 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:53:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 13:53:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-17 13:53:51,577 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:53:51,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:53:51,579 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:53:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:53:51,589 INFO L82 PathProgramCache]: Analyzing trace with hash 228287402, now seen corresponding path program 1 times [2020-07-17 13:53:51,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:53:51,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215773147] [2020-07-17 13:53:51,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:53:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:53:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:53:52,336 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 13:53:52,339 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:53:52,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215773147] [2020-07-17 13:53:52,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:53:52,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:53:52,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659205415] [2020-07-17 13:53:52,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:53:52,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:53:52,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:53:52,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:53:52,376 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 13:53:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:53:54,893 INFO L93 Difference]: Finished difference Result 1205 states and 1651 transitions. [2020-07-17 13:53:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 13:53:54,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-07-17 13:53:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:53:54,922 INFO L225 Difference]: With dead ends: 1205 [2020-07-17 13:53:54,922 INFO L226 Difference]: Without dead ends: 627 [2020-07-17 13:53:54,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:53:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-17 13:53:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 613. [2020-07-17 13:53:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-17 13:53:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 774 transitions. [2020-07-17 13:53:55,122 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 774 transitions. Word has length 165 [2020-07-17 13:53:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:53:55,124 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 774 transitions. [2020-07-17 13:53:55,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:53:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 774 transitions. [2020-07-17 13:53:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-07-17 13:53:55,132 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:53:55,133 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:53:55,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:53:55,134 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:53:55,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:53:55,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1256049999, now seen corresponding path program 1 times [2020-07-17 13:53:55,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:53:55,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966891539] [2020-07-17 13:53:55,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:53:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:53:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:53:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:53:55,609 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 13:53:56,535 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:53:56,738 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:53:57,083 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:53:57,477 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:53:57,716 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:53:57,979 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:53:58,274 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:53:58,788 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:53:59,110 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:53:59,465 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:53:59,835 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:54:00,504 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:54:01,251 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:54:01,991 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:54:02,767 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:54:03,266 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:54:04,116 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:54:04,616 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:54:05,137 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:54:06,117 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:54:06,961 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:54:07,855 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:54:08,745 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:54:09,311 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:54:10,304 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:54:11,335 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:54:12,431 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:54:13,508 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:54:14,185 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:54:14,873 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:54:16,074 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:54:16,819 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:54:18,050 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:54:19,290 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:54:20,564 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:54:21,353 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:54:22,179 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:54:23,540 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:54:25,311 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:54:26,599 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:54:27,921 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:54:28,759 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:54:29,626 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:54:31,061 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:54:32,560 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:54:33,977 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:54:35,919 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:54:37,352 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:54:38,838 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:54:40,337 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:54:41,873 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:54:43,329 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:54:45,284 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:54:46,649 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:54:47,959 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:54:49,280 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 13:54:50,822 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:54:52,217 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:54:54,192 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:54:55,564 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:54:56,969 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:54:58,344 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:54:59,729 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:55:01,130 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:55:02,870 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 13:55:04,177 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:55:05,471 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:55:07,141 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 13:55:08,308 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 13:55:09,347 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 13:55:10,157 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 13:55:10,903 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 13:55:11,691 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:55:12,611 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 13:55:13,241 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:55:14,068 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:55:14,767 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:55:15,481 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:55:16,400 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:55:17,308 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:55:18,245 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:55:19,254 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:55:20,253 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:55:21,062 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:55:21,887 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:55:22,753 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:55:23,625 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:55:24,775 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:55:25,662 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:55:26,912 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:55:28,214 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:55:29,474 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:55:30,774 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:55:32,126 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:55:33,518 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:55:34,882 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:55:35,925 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:55:37,365 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:55:38,456 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:55:39,985 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:55:41,505 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 13:55:43,042 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:55:44,652 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:55:46,233 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:55:47,776 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:55:49,299 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 13:55:50,835 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:55:52,316 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:55:53,770 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:55:54,892 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:55:56,383 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:55:57,853 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:55:59,025 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:56:00,530 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:56:02,035 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:56:03,469 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:56:04,637 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:56:06,206 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:56:07,794 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:56:09,371 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:56:10,941 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:56:12,516 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 13:56:14,056 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-17 13:56:15,605 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:56:17,198 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:56:18,756 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:56:20,315 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:56:21,841 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 13:56:23,328 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:56:24,249 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2020-07-17 13:56:24,251 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:56:24,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966891539] [2020-07-17 13:56:24,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:56:24,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [150] imperfect sequences [] total 150 [2020-07-17 13:56:24,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097081292] [2020-07-17 13:56:24,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 151 states [2020-07-17 13:56:24,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:56:24,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2020-07-17 13:56:24,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9773, Invalid=12877, Unknown=0, NotChecked=0, Total=22650 [2020-07-17 13:56:24,272 INFO L87 Difference]: Start difference. First operand 613 states and 774 transitions. Second operand 151 states. [2020-07-17 13:56:27,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:56:27,649 INFO L93 Difference]: Finished difference Result 1142 states and 1475 transitions. [2020-07-17 13:56:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 13:56:27,652 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 191 [2020-07-17 13:56:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:56:27,661 INFO L225 Difference]: With dead ends: 1142 [2020-07-17 13:56:27,662 INFO L226 Difference]: Without dead ends: 551 [2020-07-17 13:56:27,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1412 ImplicationChecksByTransitivity, 148.7s TimeCoverageRelationStatistics Valid=9786, Invalid=13470, Unknown=0, NotChecked=0, Total=23256 [2020-07-17 13:56:27,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-07-17 13:56:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2020-07-17 13:56:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-17 13:56:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2020-07-17 13:56:27,742 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 191 [2020-07-17 13:56:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:56:27,743 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2020-07-17 13:56:27,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 151 states. [2020-07-17 13:56:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2020-07-17 13:56:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-17 13:56:27,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:56:27,747 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:56:27,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:56:27,748 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:56:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:56:27,749 INFO L82 PathProgramCache]: Analyzing trace with hash 565019087, now seen corresponding path program 1 times [2020-07-17 13:56:27,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:56:27,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346652715] [2020-07-17 13:56:27,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:56:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:28,149 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 13:56:29,052 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-17 13:56:29,250 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 13:56:29,445 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 13:56:29,651 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:56:29,868 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:56:30,340 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:56:30,842 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 13:56:31,179 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:56:31,513 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:56:31,883 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:56:32,570 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:56:32,996 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:56:33,452 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:56:33,931 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:56:34,817 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 13:56:35,751 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:56:36,698 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:56:37,723 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:56:38,353 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:56:39,438 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:56:40,084 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:56:40,766 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:56:41,999 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 13:56:43,137 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 13:56:44,291 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:56:45,532 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 13:56:46,269 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:56:47,572 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 13:56:48,949 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 13:56:50,308 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:56:51,723 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:56:52,591 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:56:53,488 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:56:55,016 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:56:55,979 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:56:57,601 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:56:59,243 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:57:00,901 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:57:01,927 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:57:02,992 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:57:04,902 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 13:57:07,252 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 13:57:08,912 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:57:10,773 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:57:11,813 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:57:12,900 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 13:57:14,698 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:57:16,592 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 13:57:18,384 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 13:57:20,813 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:57:22,607 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:57:24,404 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 13:57:26,251 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:57:28,152 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:57:29,979 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 13:57:32,407 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 13:57:34,073 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 13:57:35,721 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:57:37,373 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 13:57:39,088 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:57:40,819 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:57:43,074 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:57:44,795 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:57:46,548 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:57:48,245 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:57:49,974 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:57:51,736 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:57:53,858 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 13:57:55,488 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:57:57,103 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:57:59,186 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 13:58:00,654 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 13:58:01,960 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-07-17 13:58:03,002 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-07-17 13:58:03,946 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:58:04,948 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:58:06,065 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 13:58:06,856 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:58:07,912 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:58:08,774 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:58:09,661 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:58:10,798 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:58:11,932 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:58:13,101 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:58:14,337 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:58:15,566 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:58:16,564 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:58:17,605 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:58:18,668 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:58:19,740 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:58:21,220 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:58:22,295 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:58:23,793 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:58:25,329 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:58:26,857 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:58:28,480 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:58:30,126 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:58:31,845 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:58:33,547 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:58:34,820 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:58:36,608 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:58:37,921 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:58:39,797 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:58:41,702 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 13:58:43,618 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:58:45,566 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:58:47,532 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 13:58:49,458 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:58:51,383 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:58:53,306 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:58:55,156 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 13:58:56,967 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 13:58:58,359 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:00,248 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:59:02,163 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:59:03,608 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:59:05,539 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 13:59:07,429 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:09,335 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 13:59:10,830 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:59:12,815 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:59:14,827 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:59:16,833 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:59:18,828 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:59:20,788 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 13:59:22,772 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 13:59:24,792 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:59:26,839 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:59:28,769 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 13:59:30,766 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:59:32,693 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:59:34,550 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-07-17 13:59:35,586 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2020-07-17 13:59:35,587 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:59:35,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346652715] [2020-07-17 13:59:35,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:59:35,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [150] imperfect sequences [] total 150 [2020-07-17 13:59:35,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484245413] [2020-07-17 13:59:35,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 151 states [2020-07-17 13:59:35,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:59:35,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2020-07-17 13:59:35,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9770, Invalid=12880, Unknown=0, NotChecked=0, Total=22650 [2020-07-17 13:59:35,596 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand 151 states. [2020-07-17 13:59:42,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:59:42,166 INFO L93 Difference]: Finished difference Result 2056 states and 2695 transitions. [2020-07-17 13:59:42,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 13:59:42,169 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 199 [2020-07-17 13:59:42,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:59:42,186 INFO L225 Difference]: With dead ends: 2056 [2020-07-17 13:59:42,186 INFO L226 Difference]: Without dead ends: 1551 [2020-07-17 13:59:42,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2447 ImplicationChecksByTransitivity, 187.9s TimeCoverageRelationStatistics Valid=9832, Invalid=15928, Unknown=0, NotChecked=0, Total=25760 [2020-07-17 13:59:42,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2020-07-17 13:59:42,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 893. [2020-07-17 13:59:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-07-17 13:59:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1128 transitions. [2020-07-17 13:59:42,351 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1128 transitions. Word has length 199 [2020-07-17 13:59:42,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:59:42,352 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 1128 transitions. [2020-07-17 13:59:42,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 151 states. [2020-07-17 13:59:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1128 transitions. [2020-07-17 13:59:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-17 13:59:42,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:59:42,360 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:59:42,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:59:42,361 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:59:42,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:59:42,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2137513630, now seen corresponding path program 1 times [2020-07-17 13:59:42,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:59:42,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470371669] [2020-07-17 13:59:42,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:59:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:59:42,751 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:59:42,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470371669] [2020-07-17 13:59:42,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:59:42,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:59:42,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027683945] [2020-07-17 13:59:42,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:59:42,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:59:42,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:59:42,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:59:42,754 INFO L87 Difference]: Start difference. First operand 893 states and 1128 transitions. Second operand 5 states. [2020-07-17 13:59:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:59:46,179 INFO L93 Difference]: Finished difference Result 2256 states and 2949 transitions. [2020-07-17 13:59:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:59:46,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-07-17 13:59:46,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:59:46,192 INFO L225 Difference]: With dead ends: 2256 [2020-07-17 13:59:46,192 INFO L226 Difference]: Without dead ends: 1385 [2020-07-17 13:59:46,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:59:46,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-07-17 13:59:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1205. [2020-07-17 13:59:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-07-17 13:59:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1477 transitions. [2020-07-17 13:59:46,350 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1477 transitions. Word has length 203 [2020-07-17 13:59:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:59:46,351 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 1477 transitions. [2020-07-17 13:59:46,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:59:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1477 transitions. [2020-07-17 13:59:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-17 13:59:46,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:59:46,359 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:59:46,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:59:46,359 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:59:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:59:46,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1860088314, now seen corresponding path program 1 times [2020-07-17 13:59:46,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:59:46,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969514530] [2020-07-17 13:59:46,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:59:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:59:47,476 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-07-17 13:59:47,648 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-07-17 13:59:47,825 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-17 13:59:48,046 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 13:59:48,321 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:59:48,616 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:59:49,173 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:59:49,847 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:59:50,260 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:59:50,717 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:59:51,177 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:59:52,100 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:59:52,638 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:59:53,229 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:59:53,830 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:59:55,009 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:59:56,225 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:59:57,507 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:59:58,831 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:59:59,601 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:00:01,025 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:00:01,837 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:00:02,688 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:00:04,312 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:00:05,720 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:00:07,212 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:00:08,785 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:00:09,720 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:00:11,425 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:00:13,214 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:00:15,032 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:00:16,834 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:00:17,949 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:00:19,067 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:00:21,102 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:00:22,359 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:00:24,445 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:00:26,588 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:00:28,776 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:30,098 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:00:31,448 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:00:33,808 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:00:36,937 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:00:39,248 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:00:41,536 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:00:42,995 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:00:44,484 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:00:47,070 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:00:49,727 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:00:52,240 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:00:55,176 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:00:57,434 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:00:59,656 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:01:02,011 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:01:04,316 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:01:06,495 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:01:09,197 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:01:11,012 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:01:12,787 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:01:14,580 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:01:16,446 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:01:18,336 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:01:20,797 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:01:22,685 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:01:24,601 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:01:26,476 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:01:28,365 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:01:30,286 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:01:32,626 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:01:34,384 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:01:36,162 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:01:38,414 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:01:40,007 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:01:41,440 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:01:42,577 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:01:43,609 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:01:44,730 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:01:45,986 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 14:01:46,843 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:01:47,980 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:01:48,901 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:01:49,870 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:01:51,101 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:01:52,359 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:01:53,646 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:01:54,991 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:01:56,322 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:01:57,402 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:01:58,533 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:01:59,704 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:02:00,897 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:02:02,560 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:02:03,764 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:02:05,465 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:02:07,141 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:02:08,953 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:02:10,755 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:02:12,555 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:02:14,416 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:02:16,244 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:02:17,643 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:02:19,614 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:02:21,172 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:02:23,242 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:02:25,285 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 14:02:27,412 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:02:29,627 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:02:31,841 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:02:34,057 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:02:36,508 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:02:38,827 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:02:40,969 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:02:43,106 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 14:02:44,752 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:02:46,931 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:02:49,121 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:02:50,839 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:02:53,024 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 14:02:55,262 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:02:57,455 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 14:02:59,185 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:03:01,504 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:03:03,895 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:03:06,319 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:03:08,722 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:03:11,223 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 14:03:13,655 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-17 14:03:16,131 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:03:18,609 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:03:21,028 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 14:03:23,467 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:03:25,893 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 14:03:28,219 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 14:03:29,337 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2020-07-17 14:03:29,339 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:03:29,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969514530] [2020-07-17 14:03:29,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:03:29,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [150] imperfect sequences [] total 150 [2020-07-17 14:03:29,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281996080] [2020-07-17 14:03:29,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 151 states [2020-07-17 14:03:29,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:03:29,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2020-07-17 14:03:29,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9773, Invalid=12877, Unknown=0, NotChecked=0, Total=22650 [2020-07-17 14:03:29,345 INFO L87 Difference]: Start difference. First operand 1205 states and 1477 transitions. Second operand 151 states. [2020-07-17 14:03:37,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:03:37,287 INFO L93 Difference]: Finished difference Result 3220 states and 4173 transitions. [2020-07-17 14:03:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 14:03:37,291 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 222 [2020-07-17 14:03:37,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:03:37,305 INFO L225 Difference]: With dead ends: 3220 [2020-07-17 14:03:37,306 INFO L226 Difference]: Without dead ends: 2037 [2020-07-17 14:03:37,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2290 ImplicationChecksByTransitivity, 223.1s TimeCoverageRelationStatistics Valid=9823, Invalid=15299, Unknown=0, NotChecked=0, Total=25122 [2020-07-17 14:03:37,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2020-07-17 14:03:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 1991. [2020-07-17 14:03:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2020-07-17 14:03:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2509 transitions. [2020-07-17 14:03:37,638 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2509 transitions. Word has length 222 [2020-07-17 14:03:37,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:03:37,638 INFO L479 AbstractCegarLoop]: Abstraction has 1991 states and 2509 transitions. [2020-07-17 14:03:37,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 151 states. [2020-07-17 14:03:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2509 transitions. [2020-07-17 14:03:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-07-17 14:03:37,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:03:37,668 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-17 14:03:37,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:03:37,668 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:03:37,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:03:37,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1451078085, now seen corresponding path program 1 times [2020-07-17 14:03:37,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:03:37,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389217138] [2020-07-17 14:03:37,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:03:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:03:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:03:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:03:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:03:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:03:38,926 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-17 14:03:39,160 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:03:39,438 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:03:39,743 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:03:40,106 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:03:40,824 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:03:41,636 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 14:03:42,120 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:03:42,664 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:03:43,246 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:03:44,393 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:03:45,060 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:03:45,762 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:03:46,515 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:03:48,002 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:03:49,515 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:03:51,126 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:03:52,814 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 14:03:53,765 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:03:55,499 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:03:56,507 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:03:57,572 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:03:59,602 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 14:04:01,410 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 14:04:03,333 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:04:05,313 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 14:04:06,504 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 14:04:08,654 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 14:04:10,922 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:04:13,233 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:04:15,563 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:04:16,966 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:04:18,428 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 14:04:21,094 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:04:22,721 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:04:25,753 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:04:28,771 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:04:32,017 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:04:33,898 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:04:35,780 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:04:39,024 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 14:04:43,298 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 14:04:46,491 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:04:49,798 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:04:51,872 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:04:53,907 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:04:57,392 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:05:01,125 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 14:05:04,633 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:05:09,522 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:05:13,150 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:05:16,806 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 14:05:20,593 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:05:24,469 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 14:05:28,180 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:05:33,334 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 14:05:36,902 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 14:05:40,434 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:05:44,048 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:05:47,748 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:05:51,571 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:05:56,563 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:06:00,487 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:06:04,377 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:06:07,893 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:06:11,508 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:06:15,370 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:06:19,865 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 14:06:23,156 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:06:26,368 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:06:30,135 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 14:06:32,789 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 14:06:35,201 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-07-17 14:06:37,108 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-07-17 14:06:38,797 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:06:40,581 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:06:42,656 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 14:06:44,109 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:06:45,989 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 14:06:47,497 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:06:49,066 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:06:51,163 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 14:06:53,204 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 14:06:55,380 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:06:57,562 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 14:06:59,778 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:07:01,593 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:07:03,518 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:07:05,522 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:07:07,580 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:07:10,302 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 14:07:12,283 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:07:15,107 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:07:17,912 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:07:20,831 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:07:23,481 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 84 DAG size of output: 84