/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-b8ad66e [2020-10-24 02:08:44,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 02:08:44,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 02:08:44,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 02:08:44,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 02:08:44,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 02:08:44,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 02:08:44,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 02:08:44,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 02:08:44,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 02:08:44,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 02:08:44,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 02:08:44,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 02:08:44,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 02:08:44,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 02:08:44,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 02:08:44,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 02:08:44,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 02:08:44,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 02:08:44,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 02:08:44,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 02:08:44,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 02:08:44,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 02:08:44,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 02:08:44,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 02:08:44,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 02:08:44,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 02:08:44,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 02:08:44,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 02:08:44,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 02:08:44,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 02:08:44,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 02:08:44,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 02:08:44,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 02:08:44,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 02:08:44,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 02:08:44,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 02:08:44,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 02:08:44,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 02:08:44,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 02:08:44,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 02:08:44,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 02:08:44,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 02:08:44,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 02:08:44,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 02:08:44,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 02:08:44,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 02:08:44,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 02:08:44,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 02:08:44,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 02:08:44,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 02:08:44,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 02:08:44,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 02:08:44,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 02:08:44,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 02:08:44,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 02:08:44,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 02:08:44,865 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 02:08:44,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 02:08:44,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 02:08:44,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 02:08:44,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 02:08:44,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 02:08:44,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 02:08:44,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 02:08:45,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 02:08:45,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 02:08:45,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 02:08:45,302 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 02:08:45,302 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 02:08:45,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-24 02:08:45,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d822da8a/d96be412ba874f2bb65946826bb801cc/FLAG5ab4d3661 [2020-10-24 02:08:46,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 02:08:46,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-24 02:08:46,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d822da8a/d96be412ba874f2bb65946826bb801cc/FLAG5ab4d3661 [2020-10-24 02:08:46,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d822da8a/d96be412ba874f2bb65946826bb801cc [2020-10-24 02:08:46,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 02:08:46,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 02:08:46,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 02:08:46,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 02:08:46,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 02:08:46,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:08:46" (1/1) ... [2020-10-24 02:08:46,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767379e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:46, skipping insertion in model container [2020-10-24 02:08:46,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:08:46" (1/1) ... [2020-10-24 02:08:46,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 02:08:46,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 02:08:46,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:08:46,926 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 02:08:47,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:08:47,169 INFO L208 MainTranslator]: Completed translation [2020-10-24 02:08:47,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47 WrapperNode [2020-10-24 02:08:47,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 02:08:47,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 02:08:47,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 02:08:47,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 02:08:47,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (1/1) ... [2020-10-24 02:08:47,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 02:08:47,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 02:08:47,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 02:08:47,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 02:08:47,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (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 [2020-10-24 02:08:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 02:08:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 02:08:47,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 02:08:47,406 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 02:08:47,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 02:08:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 02:08:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 02:08:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 02:08:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 02:08:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 02:08:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 02:08:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 02:08:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 02:08:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 02:08:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 02:08:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 02:08:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 02:08:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 02:08:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 02:08:49,042 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 02:08:49,043 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 02:08:49,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:08:49 BoogieIcfgContainer [2020-10-24 02:08:49,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 02:08:49,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 02:08:49,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 02:08:49,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 02:08:49,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:08:46" (1/3) ... [2020-10-24 02:08:49,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2686b21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:08:49, skipping insertion in model container [2020-10-24 02:08:49,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:47" (2/3) ... [2020-10-24 02:08:49,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2686b21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:08:49, skipping insertion in model container [2020-10-24 02:08:49,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:08:49" (3/3) ... [2020-10-24 02:08:49,054 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-10-24 02:08:49,066 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 02:08:49,072 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 02:08:49,085 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 02:08:49,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 02:08:49,110 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 02:08:49,110 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 02:08:49,110 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 02:08:49,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 02:08:49,111 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 02:08:49,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 02:08:49,111 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 02:08:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states. [2020-10-24 02:08:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-24 02:08:49,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:08:49,150 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] [2020-10-24 02:08:49,151 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:08:49,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:08:49,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1106555780, now seen corresponding path program 1 times [2020-10-24 02:08:49,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:08:49,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957798793] [2020-10-24 02:08:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:08:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:49,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:08:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:08:49,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957798793] [2020-10-24 02:08:49,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:08:49,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 02:08:49,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49095622] [2020-10-24 02:08:49,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 02:08:49,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:08:49,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 02:08:49,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 02:08:49,652 INFO L87 Difference]: Start difference. First operand 468 states. Second operand 5 states. [2020-10-24 02:08:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:08:52,844 INFO L93 Difference]: Finished difference Result 1239 states and 1811 transitions. [2020-10-24 02:08:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 02:08:52,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-10-24 02:08:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:08:52,871 INFO L225 Difference]: With dead ends: 1239 [2020-10-24 02:08:52,872 INFO L226 Difference]: Without dead ends: 716 [2020-10-24 02:08:52,885 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 [2020-10-24 02:08:52,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-24 02:08:53,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 704. [2020-10-24 02:08:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-10-24 02:08:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 935 transitions. [2020-10-24 02:08:53,113 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 935 transitions. Word has length 63 [2020-10-24 02:08:53,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:08:53,114 INFO L481 AbstractCegarLoop]: Abstraction has 704 states and 935 transitions. [2020-10-24 02:08:53,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 02:08:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 935 transitions. [2020-10-24 02:08:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-24 02:08:53,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:08:53,122 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] [2020-10-24 02:08:53,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 02:08:53,123 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:08:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:08:53,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1953707732, now seen corresponding path program 1 times [2020-10-24 02:08:53,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:08:53,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721039203] [2020-10-24 02:08:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:08:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:08:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:08:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:08:53,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721039203] [2020-10-24 02:08:53,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:08:53,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 02:08:53,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345840653] [2020-10-24 02:08:53,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 02:08:53,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:08:53,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 02:08:53,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 02:08:53,552 INFO L87 Difference]: Start difference. First operand 704 states and 935 transitions. Second operand 8 states. [2020-10-24 02:08:56,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:08:56,442 INFO L93 Difference]: Finished difference Result 1569 states and 2140 transitions. [2020-10-24 02:08:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 02:08:56,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-10-24 02:08:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:08:56,453 INFO L225 Difference]: With dead ends: 1569 [2020-10-24 02:08:56,453 INFO L226 Difference]: Without dead ends: 888 [2020-10-24 02:08:56,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-24 02:08:56,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-10-24 02:08:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 862. [2020-10-24 02:08:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-24 02:08:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1099 transitions. [2020-10-24 02:08:56,638 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1099 transitions. Word has length 146 [2020-10-24 02:08:56,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:08:56,639 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 1099 transitions. [2020-10-24 02:08:56,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 02:08:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1099 transitions. [2020-10-24 02:08:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-24 02:08:56,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:08:56,644 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] [2020-10-24 02:08:56,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 02:08:56,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:08:56,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:08:56,646 INFO L82 PathProgramCache]: Analyzing trace with hash 102190903, now seen corresponding path program 1 times [2020-10-24 02:08:56,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:08:56,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888629911] [2020-10-24 02:08:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:08:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:56,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:08:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:56,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:08:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:08:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:08:57,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888629911] [2020-10-24 02:08:57,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:08:57,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 02:08:57,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116066040] [2020-10-24 02:08:57,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 02:08:57,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:08:57,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 02:08:57,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 02:08:57,091 INFO L87 Difference]: Start difference. First operand 862 states and 1099 transitions. Second operand 8 states. [2020-10-24 02:09:01,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:01,389 INFO L93 Difference]: Finished difference Result 2984 states and 4123 transitions. [2020-10-24 02:09:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 02:09:01,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-10-24 02:09:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:01,417 INFO L225 Difference]: With dead ends: 2984 [2020-10-24 02:09:01,417 INFO L226 Difference]: Without dead ends: 2145 [2020-10-24 02:09:01,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-24 02:09:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-10-24 02:09:01,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1696. [2020-10-24 02:09:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2020-10-24 02:09:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2220 transitions. [2020-10-24 02:09:01,778 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2220 transitions. Word has length 152 [2020-10-24 02:09:01,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:01,778 INFO L481 AbstractCegarLoop]: Abstraction has 1696 states and 2220 transitions. [2020-10-24 02:09:01,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 02:09:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2220 transitions. [2020-10-24 02:09:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-24 02:09:01,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:09:01,786 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] [2020-10-24 02:09:01,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 02:09:01,786 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:09:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:09:01,787 INFO L82 PathProgramCache]: Analyzing trace with hash 974278118, now seen corresponding path program 1 times [2020-10-24 02:09:01,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:09:01,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254298081] [2020-10-24 02:09:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:09:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:01,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:09:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:09:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:09:02,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254298081] [2020-10-24 02:09:02,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:09:02,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 02:09:02,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607671388] [2020-10-24 02:09:02,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 02:09:02,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:09:02,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 02:09:02,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:09:02,182 INFO L87 Difference]: Start difference. First operand 1696 states and 2220 transitions. Second operand 7 states. [2020-10-24 02:09:05,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:05,228 INFO L93 Difference]: Finished difference Result 4225 states and 5721 transitions. [2020-10-24 02:09:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 02:09:05,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-10-24 02:09:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:05,253 INFO L225 Difference]: With dead ends: 4225 [2020-10-24 02:09:05,253 INFO L226 Difference]: Without dead ends: 2552 [2020-10-24 02:09:05,261 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 [2020-10-24 02:09:05,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2020-10-24 02:09:05,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2332. [2020-10-24 02:09:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2332 states. [2020-10-24 02:09:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 2954 transitions. [2020-10-24 02:09:05,663 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 2954 transitions. Word has length 209 [2020-10-24 02:09:05,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:05,664 INFO L481 AbstractCegarLoop]: Abstraction has 2332 states and 2954 transitions. [2020-10-24 02:09:05,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 02:09:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 2954 transitions. [2020-10-24 02:09:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-24 02:09:05,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:09:05,670 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] [2020-10-24 02:09:05,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 02:09:05,671 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:09:05,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:09:05,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1427556350, now seen corresponding path program 1 times [2020-10-24 02:09:05,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:09:05,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466783985] [2020-10-24 02:09:05,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:09:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:05,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:09:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:05,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:09:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:05,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-24 02:09:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 02:09:06,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466783985] [2020-10-24 02:09:06,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:09:06,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 02:09:06,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605256893] [2020-10-24 02:09:06,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 02:09:06,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:09:06,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 02:09:06,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:09:06,011 INFO L87 Difference]: Start difference. First operand 2332 states and 2954 transitions. Second operand 7 states. [2020-10-24 02:09:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:09,965 INFO L93 Difference]: Finished difference Result 6265 states and 8314 transitions. [2020-10-24 02:09:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 02:09:09,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-24 02:09:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:10,005 INFO L225 Difference]: With dead ends: 6265 [2020-10-24 02:09:10,006 INFO L226 Difference]: Without dead ends: 3956 [2020-10-24 02:09:10,016 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 [2020-10-24 02:09:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2020-10-24 02:09:10,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3616. [2020-10-24 02:09:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3616 states. [2020-10-24 02:09:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 4639 transitions. [2020-10-24 02:09:10,636 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 4639 transitions. Word has length 231 [2020-10-24 02:09:10,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:10,637 INFO L481 AbstractCegarLoop]: Abstraction has 3616 states and 4639 transitions. [2020-10-24 02:09:10,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 02:09:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 4639 transitions. [2020-10-24 02:09:10,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-24 02:09:10,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:09:10,644 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] [2020-10-24 02:09:10,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 02:09:10,645 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:09:10,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:09:10,646 INFO L82 PathProgramCache]: Analyzing trace with hash 103133085, now seen corresponding path program 1 times [2020-10-24 02:09:10,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:09:10,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944487093] [2020-10-24 02:09:10,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:09:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:09:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:10,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:09:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-24 02:09:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 76 proven. 72 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 02:09:11,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944487093] [2020-10-24 02:09:11,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:09:11,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 02:09:11,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501187355] [2020-10-24 02:09:11,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 02:09:11,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:09:11,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 02:09:11,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-24 02:09:11,141 INFO L87 Difference]: Start difference. First operand 3616 states and 4639 transitions. Second operand 11 states. [2020-10-24 02:09:11,928 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-10-24 02:09:13,079 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2020-10-24 02:09:13,387 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-10-24 02:09:16,680 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-10-24 02:09:17,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:17,570 INFO L93 Difference]: Finished difference Result 8475 states and 10631 transitions. [2020-10-24 02:09:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-24 02:09:17,576 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 238 [2020-10-24 02:09:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:17,607 INFO L225 Difference]: With dead ends: 8475 [2020-10-24 02:09:17,608 INFO L226 Difference]: Without dead ends: 4892 [2020-10-24 02:09:17,625 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 [2020-10-24 02:09:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2020-10-24 02:09:18,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4143. [2020-10-24 02:09:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4143 states. [2020-10-24 02:09:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 4143 states and 5004 transitions. [2020-10-24 02:09:18,336 INFO L78 Accepts]: Start accepts. Automaton has 4143 states and 5004 transitions. Word has length 238 [2020-10-24 02:09:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:18,336 INFO L481 AbstractCegarLoop]: Abstraction has 4143 states and 5004 transitions. [2020-10-24 02:09:18,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 02:09:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 5004 transitions. [2020-10-24 02:09:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-24 02:09:18,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:09:18,347 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] [2020-10-24 02:09:18,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 02:09:18,347 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:09:18,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:09:18,348 INFO L82 PathProgramCache]: Analyzing trace with hash -414799902, now seen corresponding path program 1 times [2020-10-24 02:09:18,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:09:18,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272539673] [2020-10-24 02:09:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:09:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:09:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:18,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:09:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:18,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-24 02:09:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 02:09:18,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272539673] [2020-10-24 02:09:18,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:09:18,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 02:09:18,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327116888] [2020-10-24 02:09:18,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 02:09:18,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:09:18,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 02:09:18,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-24 02:09:18,798 INFO L87 Difference]: Start difference. First operand 4143 states and 5004 transitions. Second operand 10 states. [2020-10-24 02:09:24,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:24,742 INFO L93 Difference]: Finished difference Result 10248 states and 12762 transitions. [2020-10-24 02:09:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 02:09:24,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 303 [2020-10-24 02:09:24,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:24,777 INFO L225 Difference]: With dead ends: 10248 [2020-10-24 02:09:24,778 INFO L226 Difference]: Without dead ends: 6122 [2020-10-24 02:09:24,792 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 [2020-10-24 02:09:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2020-10-24 02:09:25,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 4740. [2020-10-24 02:09:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2020-10-24 02:09:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 5484 transitions. [2020-10-24 02:09:25,763 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 5484 transitions. Word has length 303 [2020-10-24 02:09:25,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:25,764 INFO L481 AbstractCegarLoop]: Abstraction has 4740 states and 5484 transitions. [2020-10-24 02:09:25,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 02:09:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 5484 transitions. [2020-10-24 02:09:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-24 02:09:25,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:09:25,774 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] [2020-10-24 02:09:25,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 02:09:25,774 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:09:25,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:09:25,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1106330575, now seen corresponding path program 1 times [2020-10-24 02:09:25,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:09:25,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953431809] [2020-10-24 02:09:25,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:09:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:25,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:09:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:25,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:09:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-24 02:09:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:26,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-24 02:09:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 38 proven. 112 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-10-24 02:09:26,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953431809] [2020-10-24 02:09:26,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:09:26,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 02:09:26,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909912251] [2020-10-24 02:09:26,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 02:09:26,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:09:26,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 02:09:26,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-24 02:09:26,346 INFO L87 Difference]: Start difference. First operand 4740 states and 5484 transitions. Second operand 12 states. [2020-10-24 02:09:26,553 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-24 02:09:27,262 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-10-24 02:09:27,843 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-24 02:09:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:33,218 INFO L93 Difference]: Finished difference Result 12100 states and 14323 transitions. [2020-10-24 02:09:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 02:09:33,220 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 326 [2020-10-24 02:09:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:33,266 INFO L225 Difference]: With dead ends: 12100 [2020-10-24 02:09:33,266 INFO L226 Difference]: Without dead ends: 7376 [2020-10-24 02:09:33,283 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 [2020-10-24 02:09:33,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7376 states. [2020-10-24 02:09:34,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7376 to 5535. [2020-10-24 02:09:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5535 states. [2020-10-24 02:09:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5535 states to 5535 states and 6576 transitions. [2020-10-24 02:09:34,503 INFO L78 Accepts]: Start accepts. Automaton has 5535 states and 6576 transitions. Word has length 326 [2020-10-24 02:09:34,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:34,503 INFO L481 AbstractCegarLoop]: Abstraction has 5535 states and 6576 transitions. [2020-10-24 02:09:34,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 02:09:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5535 states and 6576 transitions. [2020-10-24 02:09:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-24 02:09:34,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:09:34,516 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] [2020-10-24 02:09:34,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 02:09:34,516 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:09:34,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:09:34,517 INFO L82 PathProgramCache]: Analyzing trace with hash 670597445, now seen corresponding path program 1 times [2020-10-24 02:09:34,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:09:34,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633136516] [2020-10-24 02:09:34,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:09:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:09:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:34,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-24 02:09:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 02:09:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:09:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-24 02:09:35,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633136516] [2020-10-24 02:09:35,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:09:35,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 02:09:35,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144755316] [2020-10-24 02:09:35,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 02:09:35,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:09:35,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 02:09:35,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-24 02:09:35,037 INFO L87 Difference]: Start difference. First operand 5535 states and 6576 transitions. Second operand 9 states. [2020-10-24 02:09:42,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:09:42,388 INFO L93 Difference]: Finished difference Result 12948 states and 15747 transitions. [2020-10-24 02:09:42,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 02:09:42,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 338 [2020-10-24 02:09:42,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:09:42,401 INFO L225 Difference]: With dead ends: 12948 [2020-10-24 02:09:42,401 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 02:09:42,433 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 [2020-10-24 02:09:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 02:09:42,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 02:09:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 02:09:42,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 02:09:42,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2020-10-24 02:09:42,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:09:42,434 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 02:09:42,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 02:09:42,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 02:09:42,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 02:09:42,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 02:09:42,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 02:09:45,208 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2020-10-24 02:10:01,882 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-24 02:10:06,953 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:15,023 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:22,431 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:22,583 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:22,737 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:32,999 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:37,742 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 179 [2020-10-24 02:10:38,345 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 179 [2020-10-24 02:10:38,924 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 179 [2020-10-24 02:10:39,203 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 179 [2020-10-24 02:10:54,144 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 189 [2020-10-24 02:10:54,941 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 189 [2020-10-24 02:10:55,164 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2020-10-24 02:10:55,370 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 163 [2020-10-24 02:10:55,563 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 195 [2020-10-24 02:10:56,337 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 161 [2020-10-24 02:10:56,787 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 189 [2020-10-24 02:10:57,607 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 189 [2020-10-24 02:10:57,799 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2020-10-24 02:10:58,008 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 163 [2020-10-24 02:10:58,196 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 195 [2020-10-24 02:10:58,978 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 161 [2020-10-24 02:11:32,764 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2020-10-24 02:11:33,611 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:11:34,603 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-10-24 02:11:35,385 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2020-10-24 02:11:36,452 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 239 DAG size of output: 54 [2020-10-24 02:11:37,612 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-10-24 02:11:38,406 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:11:39,340 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-10-24 02:11:40,346 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-10-24 02:11:41,699 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 240 DAG size of output: 61 [2020-10-24 02:11:43,828 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:11:45,910 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:11:46,837 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 60 [2020-10-24 02:11:47,771 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 60 [2020-10-24 02:11:48,811 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 201 DAG size of output: 64 [2020-10-24 02:11:49,678 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-10-24 02:11:50,681 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 60 [2020-10-24 02:11:51,436 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 56 [2020-10-24 02:11:53,536 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:11:54,546 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 198 DAG size of output: 60 [2020-10-24 02:11:55,339 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:11:56,181 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 54 [2020-10-24 02:11:58,275 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:12:00,364 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:12:02,460 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:12:04,582 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:12:05,866 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 241 DAG size of output: 60 [2020-10-24 02:12:06,671 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-10-24 02:12:07,447 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-10-24 02:12:08,416 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 59 [2020-10-24 02:12:09,363 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-10-24 02:12:10,518 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-10-24 02:12:11,328 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:12:13,233 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:15,133 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:17,017 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:17,777 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:18,525 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:19,293 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:21,184 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:21,938 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:22,685 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:24,553 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:12:25,310 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:27,226 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:28,020 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:12:29,918 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:31,840 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:33,738 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:34,500 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:35,269 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:36,033 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:12:37,944 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:12:39,844 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:12:40,878 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 201 DAG size of output: 59 [2020-10-24 02:12:42,032 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-10-24 02:12:42,933 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:12:43,750 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-10-24 02:12:44,711 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-10-24 02:12:45,608 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 64 [2020-10-24 02:12:46,420 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 53 [2020-10-24 02:12:47,295 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 61 [2020-10-24 02:12:48,128 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2020-10-24 02:12:49,263 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-10-24 02:12:50,207 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 57 [2020-10-24 02:12:51,414 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 204 DAG size of output: 70 [2020-10-24 02:12:53,552 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:12:55,684 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:12:57,035 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 237 DAG size of output: 59 [2020-10-24 02:12:57,884 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:13:00,037 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:01,078 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 236 DAG size of output: 58 [2020-10-24 02:13:03,221 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:04,243 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-10-24 02:13:06,386 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:07,481 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 239 DAG size of output: 58 [2020-10-24 02:13:08,272 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-10-24 02:13:09,620 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-10-24 02:13:10,418 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 57 [2020-10-24 02:13:11,257 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-10-24 02:13:12,075 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 62 [2020-10-24 02:13:12,931 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-10-24 02:13:13,849 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 64 [2020-10-24 02:13:14,685 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2020-10-24 02:13:15,687 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:13:16,692 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 60 [2020-10-24 02:13:17,533 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-10-24 02:13:18,359 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2020-10-24 02:13:19,126 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:13:19,890 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:13:20,851 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-10-24 02:13:22,049 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-10-24 02:13:24,247 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:25,300 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-10-24 02:13:26,397 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 200 DAG size of output: 58 [2020-10-24 02:13:27,452 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 200 DAG size of output: 63 [2020-10-24 02:13:28,497 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-10-24 02:13:29,458 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 57 [2020-10-24 02:13:30,771 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 57 [2020-10-24 02:13:31,760 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-10-24 02:13:33,914 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:36,067 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:36,845 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:13:39,015 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:39,781 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-10-24 02:13:40,560 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:13:42,552 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:13:44,750 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:45,731 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 53 [2020-10-24 02:13:47,908 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:50,071 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:13:51,308 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 238 DAG size of output: 58 [2020-10-24 02:13:52,201 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 62 [2020-10-24 02:13:53,104 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-10-24 02:13:54,079 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-10-24 02:13:54,977 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 58 [2020-10-24 02:13:56,123 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 240 DAG size of output: 60 [2020-10-24 02:13:56,905 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:13:58,896 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:14:00,822 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:14:02,772 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:14:03,649 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:14:04,453 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:14:05,234 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:14:07,186 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:14:08,162 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-10-24 02:14:10,356 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:11,224 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2020-10-24 02:14:12,029 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 53 [2020-10-24 02:14:14,221 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:16,410 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:17,198 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:14:18,130 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-10-24 02:14:19,017 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-10-24 02:14:20,237 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-10-24 02:14:22,427 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:23,274 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 53 [2020-10-24 02:14:24,215 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2020-10-24 02:14:25,225 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-10-24 02:14:27,429 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:29,644 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:30,721 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2020-10-24 02:14:32,921 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:35,114 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:36,032 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 61 [2020-10-24 02:14:36,891 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 62 [2020-10-24 02:14:37,791 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 60 [2020-10-24 02:14:38,902 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 237 DAG size of output: 62 [2020-10-24 02:14:40,251 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 235 DAG size of output: 63 [2020-10-24 02:14:41,035 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 54 [2020-10-24 02:14:41,931 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 61 [2020-10-24 02:14:44,132 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:45,370 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-10-24 02:14:46,178 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2020-10-24 02:14:48,391 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:50,615 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:51,459 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2020-10-24 02:14:53,691 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:54,931 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-10-24 02:14:55,684 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 52 [2020-10-24 02:14:57,906 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:14:58,707 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-10-24 02:14:59,728 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-10-24 02:15:00,721 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-10-24 02:15:01,565 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:15:02,363 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:15:03,170 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:15:03,981 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:04,777 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:06,770 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:07,565 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:09,546 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:10,782 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-10-24 02:15:11,893 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 209 DAG size of output: 60 [2020-10-24 02:15:13,267 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 235 DAG size of output: 62 [2020-10-24 02:15:14,354 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-10-24 02:15:16,595 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:15:18,832 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:15:20,239 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 236 DAG size of output: 63 [2020-10-24 02:15:22,230 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:15:23,035 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:25,028 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:27,017 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:29,040 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:29,838 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:31,844 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:32,658 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:33,472 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:34,286 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:15:36,283 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:37,141 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:15:39,390 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:15:40,827 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-10-24 02:15:42,062 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-10-24 02:15:42,928 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:15:44,915 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:15:45,769 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:15:47,800 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:49,827 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:15:52,089 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:15:52,903 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:15:55,158 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:15:56,009 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:15:57,015 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-10-24 02:15:57,912 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2020-10-24 02:16:00,153 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:02,416 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:04,683 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:05,718 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-10-24 02:16:06,708 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-10-24 02:16:07,774 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2020-10-24 02:16:08,669 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 61 [2020-10-24 02:16:09,829 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 239 DAG size of output: 58 [2020-10-24 02:16:10,837 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 57 [2020-10-24 02:16:11,984 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 202 DAG size of output: 64 [2020-10-24 02:16:13,090 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-10-24 02:16:13,897 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-10-24 02:16:14,865 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 57 [2020-10-24 02:16:15,892 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 199 DAG size of output: 62 [2020-10-24 02:16:17,039 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 02:16:18,161 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-10-24 02:16:18,967 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 58 [2020-10-24 02:16:20,148 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 239 DAG size of output: 54 [2020-10-24 02:16:20,965 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-10-24 02:16:21,871 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 55 [2020-10-24 02:16:24,149 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:24,964 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:16:26,987 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:16:27,797 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:16:29,823 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:16:30,647 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:16:31,515 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:16:32,338 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2020-10-24 02:16:33,259 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-10-24 02:16:34,322 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:16:35,526 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 237 DAG size of output: 60 [2020-10-24 02:16:36,503 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 66 [2020-10-24 02:16:38,780 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:41,075 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:42,246 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 211 DAG size of output: 62 [2020-10-24 02:16:43,073 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-10-24 02:16:44,192 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-10-24 02:16:45,099 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 55 [2020-10-24 02:16:46,270 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-10-24 02:16:47,720 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-10-24 02:16:48,842 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 201 DAG size of output: 59 [2020-10-24 02:16:49,856 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 210 DAG size of output: 65 [2020-10-24 02:16:52,134 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:16:52,955 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:16:53,832 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:16:55,898 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:16:56,776 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:16:58,819 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:17:00,889 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:17:01,713 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:17:02,540 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:17:03,668 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 233 DAG size of output: 55 [2020-10-24 02:17:04,593 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 60 [2020-10-24 02:17:05,533 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 62 [2020-10-24 02:17:06,543 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 57 [2020-10-24 02:17:07,451 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2020-10-24 02:17:08,735 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-10-24 02:17:09,803 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 238 DAG size of output: 53 [2020-10-24 02:17:12,107 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:17:14,422 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:17:15,922 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 240 DAG size of output: 61 [2020-10-24 02:17:17,048 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-10-24 02:17:19,355 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:17:21,673 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:17:23,746 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:17:23,888 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2020-10-24 02:17:24,775 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:17:25,488 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 44 [2020-10-24 02:17:26,322 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:17:27,040 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 44 [2020-10-24 02:17:29,125 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:17:29,960 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:17:32,038 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:17:34,106 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:17:34,992 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:17:35,820 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 56 [2020-10-24 02:17:37,036 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2020-10-24 02:17:37,983 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 58 [2020-10-24 02:17:38,958 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-10-24 02:17:40,003 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2020-10-24 02:17:41,385 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 239 DAG size of output: 63 [2020-10-24 02:17:42,639 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 202 DAG size of output: 58 [2020-10-24 02:17:43,716 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-10-24 02:17:44,664 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 58 [2020-10-24 02:17:45,729 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-10-24 02:17:46,710 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-10-24 02:17:47,784 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-10-24 02:17:48,682 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 53 [2020-10-24 02:17:50,058 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 232 DAG size of output: 63 [2020-10-24 02:17:51,069 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2020-10-24 02:17:52,362 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 212 DAG size of output: 69 [2020-10-24 02:17:53,403 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 196 DAG size of output: 59 [2020-10-24 02:17:54,416 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 210 DAG size of output: 66 [2020-10-24 02:17:55,196 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 52 [2020-10-24 02:17:56,235 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 211 DAG size of output: 63 [2020-10-24 02:17:57,446 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 206 DAG size of output: 64 [2020-10-24 02:17:58,541 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 201 DAG size of output: 56 [2020-10-24 02:17:59,425 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 62 [2020-10-24 02:18:00,389 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 60 [2020-10-24 02:18:01,251 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-10-24 02:18:02,060 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-10-24 02:18:04,404 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:18:05,369 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 59 [2020-10-24 02:18:06,324 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:18:08,412 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:18:10,496 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:18:12,572 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:18:32,883 WARN L193 SmtUtils]: Spent 20.25 s on a formula simplification. DAG size of input: 632 DAG size of output: 177 [2020-10-24 02:18:53,387 WARN L193 SmtUtils]: Spent 20.47 s on a formula simplification. DAG size of input: 632 DAG size of output: 177 [2020-10-24 02:18:54,320 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-10-24 02:18:55,166 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:18:56,263 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 204 DAG size of output: 66 [2020-10-24 02:18:58,653 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:19:01,033 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:19:03,452 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:19:04,997 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-10-24 02:19:05,879 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-10-24 02:19:07,122 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 239 DAG size of output: 54 [2020-10-24 02:19:08,434 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-10-24 02:19:09,536 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-10-24 02:19:10,642 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2020-10-24 02:19:11,570 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:19:13,743 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:15,873 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:19:18,040 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:18,956 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:19:19,813 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:19:20,661 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:19:22,825 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:23,744 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:19:26,173 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:19:28,331 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:29,642 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 198 DAG size of output: 56 [2020-10-24 02:19:30,521 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 62 [2020-10-24 02:19:31,521 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 58 [2020-10-24 02:19:33,931 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:19:35,290 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 232 DAG size of output: 61 [2020-10-24 02:19:36,483 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-10-24 02:19:37,408 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 63 [2020-10-24 02:19:39,558 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:19:40,485 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:19:41,345 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:19:43,512 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:44,387 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:19:46,584 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:48,764 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:50,930 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:51,849 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:19:54,015 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 355 DAG size of output: 54 [2020-10-24 02:19:54,943 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:19:55,813 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:19:58,014 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:19:58,891 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:20:01,115 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:20:03,328 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:20:05,831 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:07,120 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2020-10-24 02:20:09,566 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:10,446 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 54 [2020-10-24 02:20:11,291 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-10-24 02:20:13,759 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:16,215 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:17,356 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 201 DAG size of output: 56 [2020-10-24 02:20:19,814 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:22,260 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:23,410 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:20:25,626 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:20:26,509 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:20:27,379 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:20:28,248 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 59 [2020-10-24 02:20:30,724 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:31,715 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 59 [2020-10-24 02:20:32,878 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2020-10-24 02:20:34,111 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 210 DAG size of output: 63 [2020-10-24 02:20:36,568 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:39,041 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:40,200 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 198 DAG size of output: 61 [2020-10-24 02:20:41,379 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 232 DAG size of output: 55 [2020-10-24 02:20:43,858 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:44,963 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 200 DAG size of output: 55 [2020-10-24 02:20:46,110 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-10-24 02:20:47,046 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 59 [2020-10-24 02:20:49,537 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:52,030 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:20:53,178 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-10-24 02:20:54,698 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 235 DAG size of output: 63 [2020-10-24 02:20:56,532 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 249 DAG size of output: 60 [2020-10-24 02:20:58,083 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 60 [2020-10-24 02:20:59,375 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 237 DAG size of output: 60 [2020-10-24 02:21:00,330 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:21:02,591 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:21:04,849 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:21:07,098 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 354 DAG size of output: 57 [2020-10-24 02:21:08,051 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 56 [2020-10-24 02:21:09,352 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 240 DAG size of output: 56 [2020-10-24 02:21:10,240 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 44 [2020-10-24 02:21:11,418 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-10-24 02:21:12,650 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 02:21:13,664 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-10-24 02:21:16,210 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:17,277 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 55 [2020-10-24 02:21:19,787 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:22,299 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:23,395 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 203 DAG size of output: 65 [2020-10-24 02:21:25,927 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:26,870 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 62 [2020-10-24 02:21:28,103 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 200 DAG size of output: 62 [2020-10-24 02:21:29,024 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 60 [2020-10-24 02:21:30,342 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 240 DAG size of output: 60 [2020-10-24 02:21:32,858 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:34,102 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2020-10-24 02:21:34,977 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2020-10-24 02:21:36,431 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2020-10-24 02:21:37,809 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-10-24 02:21:38,972 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 211 DAG size of output: 62 [2020-10-24 02:21:40,302 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-10-24 02:21:41,449 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 234 DAG size of output: 60 [2020-10-24 02:21:43,995 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:46,539 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:49,075 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:51,610 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:52,840 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 198 DAG size of output: 60 [2020-10-24 02:21:55,387 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:21:56,576 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 53 [2020-10-24 02:21:59,162 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 353 DAG size of output: 63 [2020-10-24 02:22:00,068 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2020-10-24 02:22:02,361 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 355 DAG size of output: 54