/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 06:19:44,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 06:19:44,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 06:19:44,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 06:19:44,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 06:19:44,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 06:19:44,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 06:19:44,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 06:19:44,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 06:19:44,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 06:19:44,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 06:19:44,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 06:19:44,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 06:19:44,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 06:19:44,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 06:19:44,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 06:19:44,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 06:19:44,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 06:19:44,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 06:19:44,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 06:19:44,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 06:19:44,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 06:19:44,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 06:19:44,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 06:19:44,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 06:19:44,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 06:19:44,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 06:19:44,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 06:19:44,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 06:19:44,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 06:19:44,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 06:19:44,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 06:19:44,515 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 06:19:44,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 06:19:44,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 06:19:44,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 06:19:44,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 06:19:44,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 06:19:44,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 06:19:44,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 06:19:44,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 06:19:44,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 06:19:44,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 06:19:44,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 06:19:44,519 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 06:19:44,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 06:19:44,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 06:19:44,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 06:19:44,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 06:19:44,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 06:19:44,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 06:19:44,520 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 06:19:44,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 06:19:44,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 06:19:44,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 06:19:44,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 06:19:44,965 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 06:19:44,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-11-07 06:19:45,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567f2d216/45ba9ec205ba4af181bb3b8b4ee59bd6/FLAG893452c9a [2020-11-07 06:19:45,746 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 06:19:45,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-11-07 06:19:45,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567f2d216/45ba9ec205ba4af181bb3b8b4ee59bd6/FLAG893452c9a [2020-11-07 06:19:45,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567f2d216/45ba9ec205ba4af181bb3b8b4ee59bd6 [2020-11-07 06:19:45,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 06:19:46,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 06:19:46,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 06:19:46,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 06:19:46,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 06:19:46,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:19:45" (1/1) ... [2020-11-07 06:19:46,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e943c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46, skipping insertion in model container [2020-11-07 06:19:46,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:19:45" (1/1) ... [2020-11-07 06:19:46,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 06:19:46,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 06:19:46,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:19:46,522 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 06:19:46,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:19:46,653 INFO L208 MainTranslator]: Completed translation [2020-11-07 06:19:46,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46 WrapperNode [2020-11-07 06:19:46,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 06:19:46,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 06:19:46,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 06:19:46,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 06:19:46,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (1/1) ... [2020-11-07 06:19:46,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 06:19:46,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 06:19:46,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 06:19:46,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 06:19:46,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (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 [2020-11-07 06:19:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 06:19:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 06:19:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 06:19:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 06:19:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 06:19:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 06:19:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 06:19:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 06:19:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 06:19:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 06:19:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 06:19:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 06:19:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 06:19:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 06:19:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 06:19:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 06:19:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 06:19:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 06:19:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 06:19:48,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 06:19:48,281 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 06:19:48,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:19:48 BoogieIcfgContainer [2020-11-07 06:19:48,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 06:19:48,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 06:19:48,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 06:19:48,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 06:19:48,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:19:45" (1/3) ... [2020-11-07 06:19:48,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7592a7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:19:48, skipping insertion in model container [2020-11-07 06:19:48,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:19:46" (2/3) ... [2020-11-07 06:19:48,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7592a7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:19:48, skipping insertion in model container [2020-11-07 06:19:48,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:19:48" (3/3) ... [2020-11-07 06:19:48,293 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-11-07 06:19:48,310 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 06:19:48,314 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 06:19:48,327 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 06:19:48,352 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 06:19:48,352 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 06:19:48,352 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 06:19:48,352 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 06:19:48,353 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 06:19:48,353 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 06:19:48,353 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 06:19:48,353 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 06:19:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states. [2020-11-07 06:19:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-07 06:19:48,397 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:19:48,398 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] [2020-11-07 06:19:48,399 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:19:48,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:19:48,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1106555780, now seen corresponding path program 1 times [2020-11-07 06:19:48,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:19:48,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214400578] [2020-11-07 06:19:48,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:19:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:48,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:19:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:19:48,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214400578] [2020-11-07 06:19:48,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:19:48,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 06:19:48,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930847018] [2020-11-07 06:19:48,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 06:19:48,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:19:48,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 06:19:48,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 06:19:48,982 INFO L87 Difference]: Start difference. First operand 468 states. Second operand 5 states. [2020-11-07 06:19:52,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:19:52,279 INFO L93 Difference]: Finished difference Result 1239 states and 1811 transitions. [2020-11-07 06:19:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 06:19:52,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-11-07 06:19:52,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:19:52,306 INFO L225 Difference]: With dead ends: 1239 [2020-11-07 06:19:52,307 INFO L226 Difference]: Without dead ends: 716 [2020-11-07 06:19:52,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:19:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-07 06:19:52,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 704. [2020-11-07 06:19:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-11-07 06:19:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 935 transitions. [2020-11-07 06:19:52,589 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 935 transitions. Word has length 63 [2020-11-07 06:19:52,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:19:52,591 INFO L481 AbstractCegarLoop]: Abstraction has 704 states and 935 transitions. [2020-11-07 06:19:52,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 06:19:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 935 transitions. [2020-11-07 06:19:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-07 06:19:52,608 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:19:52,609 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, 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] [2020-11-07 06:19:52,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 06:19:52,610 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:19:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:19:52,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1953707732, now seen corresponding path program 1 times [2020-11-07 06:19:52,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:19:52,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196891264] [2020-11-07 06:19:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:19:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:52,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:19:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:52,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:19:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:19:53,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196891264] [2020-11-07 06:19:53,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:19:53,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 06:19:53,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122202271] [2020-11-07 06:19:53,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 06:19:53,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:19:53,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 06:19:53,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 06:19:53,153 INFO L87 Difference]: Start difference. First operand 704 states and 935 transitions. Second operand 8 states. [2020-11-07 06:19:56,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:19:56,069 INFO L93 Difference]: Finished difference Result 1569 states and 2140 transitions. [2020-11-07 06:19:56,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 06:19:56,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-11-07 06:19:56,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:19:56,080 INFO L225 Difference]: With dead ends: 1569 [2020-11-07 06:19:56,080 INFO L226 Difference]: Without dead ends: 888 [2020-11-07 06:19:56,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-07 06:19:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-11-07 06:19:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 862. [2020-11-07 06:19:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-11-07 06:19:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1099 transitions. [2020-11-07 06:19:56,230 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1099 transitions. Word has length 146 [2020-11-07 06:19:56,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:19:56,234 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 1099 transitions. [2020-11-07 06:19:56,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 06:19:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1099 transitions. [2020-11-07 06:19:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-07 06:19:56,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:19:56,248 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, 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] [2020-11-07 06:19:56,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 06:19:56,248 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:19:56,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:19:56,249 INFO L82 PathProgramCache]: Analyzing trace with hash 102190903, now seen corresponding path program 1 times [2020-11-07 06:19:56,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:19:56,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236492164] [2020-11-07 06:19:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:19:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:19:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:56,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:19:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:19:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:19:56,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236492164] [2020-11-07 06:19:56,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:19:56,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 06:19:56,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92228672] [2020-11-07 06:19:56,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 06:19:56,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:19:56,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 06:19:56,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 06:19:56,593 INFO L87 Difference]: Start difference. First operand 862 states and 1099 transitions. Second operand 8 states. [2020-11-07 06:20:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:00,994 INFO L93 Difference]: Finished difference Result 2984 states and 4123 transitions. [2020-11-07 06:20:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 06:20:00,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-11-07 06:20:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:01,020 INFO L225 Difference]: With dead ends: 2984 [2020-11-07 06:20:01,020 INFO L226 Difference]: Without dead ends: 2145 [2020-11-07 06:20:01,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-07 06:20:01,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-11-07 06:20:01,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1696. [2020-11-07 06:20:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2020-11-07 06:20:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2220 transitions. [2020-11-07 06:20:01,354 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2220 transitions. Word has length 152 [2020-11-07 06:20:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:01,355 INFO L481 AbstractCegarLoop]: Abstraction has 1696 states and 2220 transitions. [2020-11-07 06:20:01,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 06:20:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2220 transitions. [2020-11-07 06:20:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-11-07 06:20:01,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:20:01,361 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, 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] [2020-11-07 06:20:01,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 06:20:01,361 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:20:01,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:20:01,362 INFO L82 PathProgramCache]: Analyzing trace with hash 974278118, now seen corresponding path program 1 times [2020-11-07 06:20:01,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:20:01,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346738414] [2020-11-07 06:20:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:20:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:01,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:20:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:01,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:20:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:20:01,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346738414] [2020-11-07 06:20:01,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:20:01,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 06:20:01,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946975011] [2020-11-07 06:20:01,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:20:01,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:20:01,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:20:01,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:20:01,739 INFO L87 Difference]: Start difference. First operand 1696 states and 2220 transitions. Second operand 7 states. [2020-11-07 06:20:04,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:04,859 INFO L93 Difference]: Finished difference Result 4225 states and 5721 transitions. [2020-11-07 06:20:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 06:20:04,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-11-07 06:20:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:04,883 INFO L225 Difference]: With dead ends: 4225 [2020-11-07 06:20:04,884 INFO L226 Difference]: Without dead ends: 2552 [2020-11-07 06:20:04,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 06:20:04,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2020-11-07 06:20:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2332. [2020-11-07 06:20:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2332 states. [2020-11-07 06:20:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 2954 transitions. [2020-11-07 06:20:05,276 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 2954 transitions. Word has length 209 [2020-11-07 06:20:05,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:05,277 INFO L481 AbstractCegarLoop]: Abstraction has 2332 states and 2954 transitions. [2020-11-07 06:20:05,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:20:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 2954 transitions. [2020-11-07 06:20:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-07 06:20:05,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:20:05,283 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 06:20:05,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 06:20:05,283 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:20:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:20:05,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1427556350, now seen corresponding path program 1 times [2020-11-07 06:20:05,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:20:05,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564730846] [2020-11-07 06:20:05,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:20:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:05,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:20:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:05,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:20:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-11-07 06:20:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 06:20:05,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564730846] [2020-11-07 06:20:05,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:20:05,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 06:20:05,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300757896] [2020-11-07 06:20:05,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:20:05,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:20:05,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:20:05,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:20:05,715 INFO L87 Difference]: Start difference. First operand 2332 states and 2954 transitions. Second operand 7 states. [2020-11-07 06:20:09,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:09,857 INFO L93 Difference]: Finished difference Result 6265 states and 8314 transitions. [2020-11-07 06:20:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 06:20:09,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-11-07 06:20:09,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:09,897 INFO L225 Difference]: With dead ends: 6265 [2020-11-07 06:20:09,897 INFO L226 Difference]: Without dead ends: 3956 [2020-11-07 06:20:09,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 06:20:09,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2020-11-07 06:20:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3616. [2020-11-07 06:20:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3616 states. [2020-11-07 06:20:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 4639 transitions. [2020-11-07 06:20:10,620 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 4639 transitions. Word has length 231 [2020-11-07 06:20:10,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:10,621 INFO L481 AbstractCegarLoop]: Abstraction has 3616 states and 4639 transitions. [2020-11-07 06:20:10,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:20:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 4639 transitions. [2020-11-07 06:20:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-07 06:20:10,629 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:20:10,629 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 06:20:10,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 06:20:10,630 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:20:10,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:20:10,630 INFO L82 PathProgramCache]: Analyzing trace with hash 103133085, now seen corresponding path program 1 times [2020-11-07 06:20:10,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:20:10,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097447374] [2020-11-07 06:20:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:20:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:20:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:10,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:20:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:11,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-11-07 06:20:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 76 proven. 72 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-07 06:20:11,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097447374] [2020-11-07 06:20:11,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:20:11,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 06:20:11,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954654814] [2020-11-07 06:20:11,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 06:20:11,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:20:11,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 06:20:11,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-07 06:20:11,237 INFO L87 Difference]: Start difference. First operand 3616 states and 4639 transitions. Second operand 11 states. [2020-11-07 06:20:11,843 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-11-07 06:20:13,065 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2020-11-07 06:20:13,379 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-11-07 06:20:16,631 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-11-07 06:20:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:17,620 INFO L93 Difference]: Finished difference Result 8475 states and 10631 transitions. [2020-11-07 06:20:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-07 06:20:17,627 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 238 [2020-11-07 06:20:17,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:17,662 INFO L225 Difference]: With dead ends: 8475 [2020-11-07 06:20:17,662 INFO L226 Difference]: Without dead ends: 4892 [2020-11-07 06:20:17,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-11-07 06:20:17,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2020-11-07 06:20:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4143. [2020-11-07 06:20:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4143 states. [2020-11-07 06:20:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 4143 states and 5004 transitions. [2020-11-07 06:20:18,472 INFO L78 Accepts]: Start accepts. Automaton has 4143 states and 5004 transitions. Word has length 238 [2020-11-07 06:20:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:18,473 INFO L481 AbstractCegarLoop]: Abstraction has 4143 states and 5004 transitions. [2020-11-07 06:20:18,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 06:20:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 5004 transitions. [2020-11-07 06:20:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-07 06:20:18,483 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:20:18,484 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 06:20:18,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 06:20:18,484 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:20:18,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:20:18,485 INFO L82 PathProgramCache]: Analyzing trace with hash -414799902, now seen corresponding path program 1 times [2020-11-07 06:20:18,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:20:18,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848438824] [2020-11-07 06:20:18,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:20:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:18,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:20:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:18,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:20:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-07 06:20:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 06:20:18,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848438824] [2020-11-07 06:20:18,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:20:18,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 06:20:18,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816436646] [2020-11-07 06:20:18,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 06:20:18,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:20:19,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 06:20:19,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-11-07 06:20:19,000 INFO L87 Difference]: Start difference. First operand 4143 states and 5004 transitions. Second operand 10 states. [2020-11-07 06:20:19,173 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-07 06:20:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:25,100 INFO L93 Difference]: Finished difference Result 10248 states and 12762 transitions. [2020-11-07 06:20:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 06:20:25,100 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 303 [2020-11-07 06:20:25,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:25,140 INFO L225 Difference]: With dead ends: 10248 [2020-11-07 06:20:25,141 INFO L226 Difference]: Without dead ends: 6122 [2020-11-07 06:20:25,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2020-11-07 06:20:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2020-11-07 06:20:25,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 4740. [2020-11-07 06:20:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2020-11-07 06:20:25,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 5484 transitions. [2020-11-07 06:20:25,967 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 5484 transitions. Word has length 303 [2020-11-07 06:20:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:25,968 INFO L481 AbstractCegarLoop]: Abstraction has 4740 states and 5484 transitions. [2020-11-07 06:20:25,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 06:20:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 5484 transitions. [2020-11-07 06:20:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-11-07 06:20:25,979 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:20:25,979 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 06:20:25,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 06:20:25,980 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:20:25,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:20:25,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1106330575, now seen corresponding path program 1 times [2020-11-07 06:20:25,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:20:25,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291827953] [2020-11-07 06:20:25,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:20:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:20:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:20:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:26,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-11-07 06:20:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:26,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 06:20:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 38 proven. 112 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-11-07 06:20:26,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291827953] [2020-11-07 06:20:26,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:20:26,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-07 06:20:26,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489587808] [2020-11-07 06:20:26,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 06:20:26,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:20:26,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 06:20:26,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-11-07 06:20:26,549 INFO L87 Difference]: Start difference. First operand 4740 states and 5484 transitions. Second operand 12 states. [2020-11-07 06:20:26,743 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-11-07 06:20:27,450 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-11-07 06:20:28,041 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-11-07 06:20:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:33,720 INFO L93 Difference]: Finished difference Result 12100 states and 14323 transitions. [2020-11-07 06:20:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 06:20:33,724 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 326 [2020-11-07 06:20:33,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:33,770 INFO L225 Difference]: With dead ends: 12100 [2020-11-07 06:20:33,770 INFO L226 Difference]: Without dead ends: 7376 [2020-11-07 06:20:33,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-11-07 06:20:33,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7376 states. [2020-11-07 06:20:35,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7376 to 5535. [2020-11-07 06:20:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5535 states. [2020-11-07 06:20:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5535 states to 5535 states and 6576 transitions. [2020-11-07 06:20:35,283 INFO L78 Accepts]: Start accepts. Automaton has 5535 states and 6576 transitions. Word has length 326 [2020-11-07 06:20:35,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:35,283 INFO L481 AbstractCegarLoop]: Abstraction has 5535 states and 6576 transitions. [2020-11-07 06:20:35,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 06:20:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5535 states and 6576 transitions. [2020-11-07 06:20:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-11-07 06:20:35,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:20:35,295 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 06:20:35,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 06:20:35,296 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:20:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:20:35,296 INFO L82 PathProgramCache]: Analyzing trace with hash 670597445, now seen corresponding path program 1 times [2020-11-07 06:20:35,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:20:35,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094288741] [2020-11-07 06:20:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:20:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:35,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:20:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-07 06:20:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 06:20:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:20:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-11-07 06:20:35,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094288741] [2020-11-07 06:20:35,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:20:35,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 06:20:35,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191832401] [2020-11-07 06:20:35,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 06:20:35,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:20:35,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 06:20:35,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-07 06:20:35,826 INFO L87 Difference]: Start difference. First operand 5535 states and 6576 transitions. Second operand 9 states. [2020-11-07 06:20:43,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:20:43,007 INFO L93 Difference]: Finished difference Result 12948 states and 15747 transitions. [2020-11-07 06:20:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 06:20:43,007 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 338 [2020-11-07 06:20:43,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:20:43,019 INFO L225 Difference]: With dead ends: 12948 [2020-11-07 06:20:43,020 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 06:20:43,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-11-07 06:20:43,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 06:20:43,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 06:20:43,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 06:20:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 06:20:43,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2020-11-07 06:20:43,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:20:43,056 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 06:20:43,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 06:20:43,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 06:20:43,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 06:20:43,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 06:20:43,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 06:20:47,930 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2020-11-07 06:21:07,125 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:15,140 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:22,641 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:22,795 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:22,949 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:33,412 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:38,202 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 179 [2020-11-07 06:21:38,797 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 179 [2020-11-07 06:21:39,404 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 179 [2020-11-07 06:21:39,684 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-11-07 06:21:54,830 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 189 [2020-11-07 06:21:55,650 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 189 [2020-11-07 06:21:55,857 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2020-11-07 06:21:56,063 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 163 [2020-11-07 06:21:56,258 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 195 [2020-11-07 06:21:57,051 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 161 [2020-11-07 06:21:57,485 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 189 [2020-11-07 06:21:58,315 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 189 [2020-11-07 06:21:58,511 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2020-11-07 06:21:58,722 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 163 [2020-11-07 06:21:58,912 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 195 [2020-11-07 06:21:59,712 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 161 [2020-11-07 06:22:34,032 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2020-11-07 06:22:34,889 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:22:35,911 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-11-07 06:22:36,727 WARN L194 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2020-11-07 06:22:37,829 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 239 DAG size of output: 54 [2020-11-07 06:22:39,023 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-11-07 06:22:39,825 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:22:40,781 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-11-07 06:22:41,794 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-11-07 06:22:43,171 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 240 DAG size of output: 61 [2020-11-07 06:22:45,341 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:22:47,473 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:22:48,428 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 60 [2020-11-07 06:22:49,391 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 60 [2020-11-07 06:22:50,438 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 201 DAG size of output: 64 [2020-11-07 06:22:51,330 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-11-07 06:22:52,351 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 209 DAG size of output: 60 [2020-11-07 06:22:53,128 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 56 [2020-11-07 06:22:55,303 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:22:56,336 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 198 DAG size of output: 60 [2020-11-07 06:22:57,139 WARN L194 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:22:57,981 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 54 [2020-11-07 06:23:00,118 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:23:02,296 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:23:04,445 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:23:06,604 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:23:07,916 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 241 DAG size of output: 60 [2020-11-07 06:23:08,745 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-11-07 06:23:09,546 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-11-07 06:23:10,548 WARN L194 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 59 [2020-11-07 06:23:11,517 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-11-07 06:23:12,716 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-11-07 06:23:13,527 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:23:15,456 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:17,398 WARN L194 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:19,346 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:20,115 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:20,890 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:21,662 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:23,599 WARN L194 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:24,374 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:25,153 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:27,063 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:23:27,833 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:29,781 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:30,609 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:23:32,560 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:34,544 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:36,501 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:37,283 WARN L194 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:38,060 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:38,861 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:23:40,863 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:23:42,971 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:23:44,138 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 201 DAG size of output: 59 [2020-11-07 06:23:45,399 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-11-07 06:23:46,337 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:23:47,205 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-11-07 06:23:48,279 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-11-07 06:23:49,286 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 64 [2020-11-07 06:23:50,198 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 53 [2020-11-07 06:23:51,166 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 61 [2020-11-07 06:23:52,080 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2020-11-07 06:23:53,317 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-11-07 06:23:54,348 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 198 DAG size of output: 57 [2020-11-07 06:23:55,612 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 204 DAG size of output: 70 [2020-11-07 06:23:57,910 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:00,157 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:01,626 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 237 DAG size of output: 59 [2020-11-07 06:24:02,535 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:24:04,789 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:05,916 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 236 DAG size of output: 58 [2020-11-07 06:24:08,225 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:09,293 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-11-07 06:24:11,520 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:12,641 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 239 DAG size of output: 58 [2020-11-07 06:24:13,506 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-11-07 06:24:14,996 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-11-07 06:24:15,826 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 57 [2020-11-07 06:24:16,693 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-11-07 06:24:17,541 WARN L194 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 62 [2020-11-07 06:24:18,439 WARN L194 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-11-07 06:24:19,459 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 64 [2020-11-07 06:24:20,385 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2020-11-07 06:24:21,427 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:24:22,476 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 199 DAG size of output: 60 [2020-11-07 06:24:23,356 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-11-07 06:24:24,218 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2020-11-07 06:24:25,021 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:24:25,832 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:24:26,866 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-11-07 06:24:28,171 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-11-07 06:24:30,549 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:31,702 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-11-07 06:24:32,947 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 200 DAG size of output: 58 [2020-11-07 06:24:34,128 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 200 DAG size of output: 63 [2020-11-07 06:24:35,298 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-11-07 06:24:36,372 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 198 DAG size of output: 57 [2020-11-07 06:24:37,847 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 251 DAG size of output: 57 [2020-11-07 06:24:38,952 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-11-07 06:24:41,336 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:43,707 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:44,548 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:24:46,908 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:47,739 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-11-07 06:24:48,576 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:24:50,638 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:24:52,973 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:54,007 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 223 DAG size of output: 53 [2020-11-07 06:24:56,324 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:58,654 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:24:59,928 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-11-07 06:25:00,849 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 62 [2020-11-07 06:25:01,791 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-11-07 06:25:02,791 WARN L194 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-11-07 06:25:03,706 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 58 [2020-11-07 06:25:04,872 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 240 DAG size of output: 60 [2020-11-07 06:25:05,681 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:25:07,732 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:25:09,835 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:25:11,897 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:25:12,769 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:25:13,631 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:25:14,514 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:25:16,709 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:25:17,791 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-11-07 06:25:20,155 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:21,078 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2020-11-07 06:25:21,928 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 53 [2020-11-07 06:25:24,290 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:26,658 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:27,517 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:25:28,523 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-11-07 06:25:29,475 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-11-07 06:25:30,780 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-11-07 06:25:33,133 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:34,055 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 53 [2020-11-07 06:25:35,065 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2020-11-07 06:25:36,143 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-11-07 06:25:38,487 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:40,847 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:41,995 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2020-11-07 06:25:44,333 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:46,681 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:47,679 WARN L194 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 61 [2020-11-07 06:25:48,608 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 62 [2020-11-07 06:25:49,529 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 60 [2020-11-07 06:25:50,685 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 237 DAG size of output: 62 [2020-11-07 06:25:52,057 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 235 DAG size of output: 63 [2020-11-07 06:25:52,868 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 54 [2020-11-07 06:25:53,783 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 61 [2020-11-07 06:25:56,085 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:25:57,361 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-11-07 06:25:58,183 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2020-11-07 06:26:00,448 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:02,711 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:03,581 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2020-11-07 06:26:05,857 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:07,124 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-11-07 06:26:07,903 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 52 [2020-11-07 06:26:10,161 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:10,978 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-11-07 06:26:12,017 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-11-07 06:26:13,026 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-11-07 06:26:13,897 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:26:14,720 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:26:15,558 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:26:16,391 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:17,208 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:19,252 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:20,063 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:22,105 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:23,375 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-11-07 06:26:24,530 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 209 DAG size of output: 60 [2020-11-07 06:26:25,967 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 235 DAG size of output: 62 [2020-11-07 06:26:27,091 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-11-07 06:26:29,389 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:31,689 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:33,140 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 236 DAG size of output: 63 [2020-11-07 06:26:35,182 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:26:36,011 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:38,073 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:40,151 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:42,228 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:43,055 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:45,155 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:45,991 WARN L194 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:46,823 WARN L194 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:47,651 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:26:49,744 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:26:50,628 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:26:52,950 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:26:54,451 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-11-07 06:26:55,729 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-11-07 06:26:56,620 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:26:58,692 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:26:59,582 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:27:01,688 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:27:03,789 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:27:06,148 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:06,987 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:27:09,323 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:10,221 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:27:11,271 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-11-07 06:27:12,206 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2020-11-07 06:27:14,569 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:16,924 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:19,286 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:20,372 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-11-07 06:27:21,408 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-11-07 06:27:22,527 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2020-11-07 06:27:23,457 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 61 [2020-11-07 06:27:24,680 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 239 DAG size of output: 58 [2020-11-07 06:27:25,743 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-11-07 06:27:26,943 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 202 DAG size of output: 64 [2020-11-07 06:27:28,100 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-11-07 06:27:28,939 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-11-07 06:27:29,955 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 198 DAG size of output: 57 [2020-11-07 06:27:31,025 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 199 DAG size of output: 62 [2020-11-07 06:27:32,193 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-11-07 06:27:33,364 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-11-07 06:27:34,213 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 58 [2020-11-07 06:27:35,459 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 239 DAG size of output: 54 [2020-11-07 06:27:36,312 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-11-07 06:27:37,255 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 55 [2020-11-07 06:27:39,637 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:40,490 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:27:42,615 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:27:43,477 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:27:45,626 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:27:46,481 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:27:47,394 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:27:48,254 WARN L194 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-11-07 06:27:49,210 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-11-07 06:27:50,327 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:27:51,602 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 237 DAG size of output: 60 [2020-11-07 06:27:52,635 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 204 DAG size of output: 66 [2020-11-07 06:27:55,022 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:57,425 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:27:58,662 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 211 DAG size of output: 62 [2020-11-07 06:27:59,525 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-11-07 06:28:00,715 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-11-07 06:28:01,674 WARN L194 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 55 [2020-11-07 06:28:02,921 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-11-07 06:28:04,471 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-11-07 06:28:05,661 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 201 DAG size of output: 59 [2020-11-07 06:28:06,703 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 210 DAG size of output: 65 [2020-11-07 06:28:09,143 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:28:10,006 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:28:10,942 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:28:13,107 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:14,030 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:28:16,204 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:18,388 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:19,252 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:28:20,123 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:28:21,326 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-11-07 06:28:22,303 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 60 [2020-11-07 06:28:23,295 WARN L194 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 62 [2020-11-07 06:28:24,374 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 208 DAG size of output: 57 [2020-11-07 06:28:25,329 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2020-11-07 06:28:26,687 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-11-07 06:28:27,833 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 238 DAG size of output: 53 [2020-11-07 06:28:30,276 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:28:32,733 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:28:34,327 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 240 DAG size of output: 61 [2020-11-07 06:28:35,521 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-11-07 06:28:37,980 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:28:40,431 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:28:42,632 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:42,786 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2020-11-07 06:28:43,729 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:28:44,487 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 44 [2020-11-07 06:28:45,357 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:28:46,109 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 44 [2020-11-07 06:28:48,333 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:49,215 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:28:51,443 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:53,678 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:28:54,627 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:28:55,519 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 56 [2020-11-07 06:28:56,810 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2020-11-07 06:28:57,822 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 237 DAG size of output: 58 [2020-11-07 06:28:58,874 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-11-07 06:28:59,993 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2020-11-07 06:29:01,462 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 239 DAG size of output: 63 [2020-11-07 06:29:02,824 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 202 DAG size of output: 58 [2020-11-07 06:29:03,989 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-11-07 06:29:05,014 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 237 DAG size of output: 58 [2020-11-07 06:29:06,162 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-11-07 06:29:07,223 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-11-07 06:29:08,380 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-11-07 06:29:09,332 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 53 [2020-11-07 06:29:10,829 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 232 DAG size of output: 63 [2020-11-07 06:29:11,930 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2020-11-07 06:29:13,315 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 212 DAG size of output: 69 [2020-11-07 06:29:14,465 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 196 DAG size of output: 59 [2020-11-07 06:29:15,550 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 210 DAG size of output: 66 [2020-11-07 06:29:16,396 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 52 [2020-11-07 06:29:17,542 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 211 DAG size of output: 63 [2020-11-07 06:29:18,851 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 206 DAG size of output: 64 [2020-11-07 06:29:20,028 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 201 DAG size of output: 56 [2020-11-07 06:29:21,003 WARN L194 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 62 [2020-11-07 06:29:22,049 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 203 DAG size of output: 60 [2020-11-07 06:29:22,974 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-11-07 06:29:23,849 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-11-07 06:29:26,369 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:29:27,420 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 59 [2020-11-07 06:29:28,457 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:29:30,721 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:29:32,994 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:29:35,281 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:29:57,751 WARN L194 SmtUtils]: Spent 22.41 s on a formula simplification. DAG size of input: 632 DAG size of output: 177 [2020-11-07 06:30:20,724 WARN L194 SmtUtils]: Spent 22.93 s on a formula simplification. DAG size of input: 632 DAG size of output: 177 [2020-11-07 06:30:21,779 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-11-07 06:30:22,740 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:30:23,916 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 204 DAG size of output: 66 [2020-11-07 06:30:26,571 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:30:29,281 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:30:32,011 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:30:33,750 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-11-07 06:30:34,757 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-11-07 06:30:36,156 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 239 DAG size of output: 54 [2020-11-07 06:30:37,642 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-11-07 06:30:38,889 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-11-07 06:30:40,151 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2020-11-07 06:30:41,191 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:30:43,660 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:30:46,117 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:30:48,568 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:30:49,625 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:30:50,653 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:30:51,671 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:30:54,213 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:30:55,289 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:30:58,102 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:31:00,683 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:02,190 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 198 DAG size of output: 56 [2020-11-07 06:31:03,201 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 204 DAG size of output: 62 [2020-11-07 06:31:04,379 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 237 DAG size of output: 58 [2020-11-07 06:31:07,247 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:31:08,812 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-11-07 06:31:10,181 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-11-07 06:31:11,299 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 207 DAG size of output: 63 [2020-11-07 06:31:13,864 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:31:14,963 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:31:15,939 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:31:18,547 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:19,568 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:31:22,150 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:24,718 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:27,300 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:28,401 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:31:30,955 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-11-07 06:31:32,052 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:31:33,066 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:31:35,613 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:36,649 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:31:39,321 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:41,903 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:31:44,806 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:31:46,373 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2020-11-07 06:31:49,188 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:31:50,211 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 199 DAG size of output: 54 [2020-11-07 06:31:51,229 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-11-07 06:31:54,134 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:31:57,056 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:31:58,460 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 201 DAG size of output: 56 [2020-11-07 06:32:01,403 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:04,295 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:05,682 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:32:08,344 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:32:09,366 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:32:10,339 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:32:11,409 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-11-07 06:32:14,410 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:15,605 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 204 DAG size of output: 59 [2020-11-07 06:32:16,951 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-11-07 06:32:18,474 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 210 DAG size of output: 63 [2020-11-07 06:32:21,409 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:24,407 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:25,801 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 198 DAG size of output: 61 [2020-11-07 06:32:27,200 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 232 DAG size of output: 55 [2020-11-07 06:32:30,085 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:31,458 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 200 DAG size of output: 55 [2020-11-07 06:32:32,848 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-11-07 06:32:33,930 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-11-07 06:32:36,868 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:39,902 WARN L194 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-11-07 06:32:41,264 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-11-07 06:32:43,128 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 235 DAG size of output: 63 [2020-11-07 06:32:45,280 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 60 [2020-11-07 06:32:47,186 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 241 DAG size of output: 60 [2020-11-07 06:32:48,742 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 237 DAG size of output: 60 [2020-11-07 06:32:49,843 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:32:52,541 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:32:55,289 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:32:57,974 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-11-07 06:32:59,153 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-11-07 06:33:00,762 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 240 DAG size of output: 56 [2020-11-07 06:33:01,827 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-11-07 06:33:03,219 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-11-07 06:33:04,636 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 248 DAG size of output: 56