/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/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:37:30,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:37:30,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:37:31,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:37:31,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:37:31,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:37:31,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:37:31,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:37:31,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:37:31,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:37:31,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:37:31,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:37:31,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:37:31,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:37:31,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:37:31,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:37:31,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:37:31,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:37:31,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:37:31,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:37:31,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:37:31,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:37:31,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:37:31,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:37:31,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 05:37:31,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 05:37:31,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 05:37:31,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 05:37:31,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 05:37:31,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 05:37:31,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 05:37:31,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 05:37:31,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 05:37:31,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 05:37:31,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 05:37:31,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 05:37:31,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 05:37:31,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 05:37:31,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:37:31,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:37:31,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:37:31,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:37:31,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:37:31,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:37:31,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:37:31,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:37:31,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:37:31,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:37:31,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:37:31,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:37:31,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:37:31,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:37:31,141 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:37:31,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:37:31,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:37:31,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:37:31,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:37:31,142 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:37:31,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:37:31,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:37:31,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:37:31,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:37:31,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:37:31,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:37:31,144 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:37:31,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:37:31,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:37:31,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:37:31,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:37:31,625 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:37:31,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-11-07 05:37:31,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4422aa881/cc9f986a5a604a0c929034e5c04995b2/FLAGd8e5d79c9 [2020-11-07 05:37:32,472 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:37:32,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-11-07 05:37:32,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4422aa881/cc9f986a5a604a0c929034e5c04995b2/FLAGd8e5d79c9 [2020-11-07 05:37:32,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4422aa881/cc9f986a5a604a0c929034e5c04995b2 [2020-11-07 05:37:32,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:37:32,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:37:32,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:37:32,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:37:32,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:37:32,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:32" (1/1) ... [2020-11-07 05:37:32,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370ced97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:32, skipping insertion in model container [2020-11-07 05:37:32,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:32" (1/1) ... [2020-11-07 05:37:32,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:37:32,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:37:33,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:37:33,306 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:37:33,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:37:33,467 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:37:33,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33 WrapperNode [2020-11-07 05:37:33,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:37:33,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:37:33,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:37:33,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:37:33,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... [2020-11-07 05:37:33,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:37:33,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:37:33,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:37:33,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:37:33,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:37:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:37:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:37:35,291 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:37:35,292 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:37:35,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:37:35 BoogieIcfgContainer [2020-11-07 05:37:35,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:37:35,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:37:35,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:37:35,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:37:35,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:37:32" (1/3) ... [2020-11-07 05:37:35,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fffe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:37:35, skipping insertion in model container [2020-11-07 05:37:35,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:33" (2/3) ... [2020-11-07 05:37:35,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fffe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:37:35, skipping insertion in model container [2020-11-07 05:37:35,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:37:35" (3/3) ... [2020-11-07 05:37:35,304 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-11-07 05:37:35,320 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:37:35,324 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:37:35,337 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:37:35,362 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:37:35,362 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:37:35,362 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:37:35,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:37:35,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:37:35,362 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:37:35,362 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:37:35,362 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:37:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:37:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-07 05:37:35,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:35,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:35,418 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:35,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:35,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2119107116, now seen corresponding path program 1 times [2020-11-07 05:37:35,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:35,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795077318] [2020-11-07 05:37:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:36,155 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:37:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:36,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795077318] [2020-11-07 05:37:36,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:36,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:37:36,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313027113] [2020-11-07 05:37:36,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:37:36,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:36,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:37:36,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:37:36,278 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:37:36,500 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:37:39,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:39,237 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-11-07 05:37:39,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:37:39,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-11-07 05:37:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:39,262 INFO L225 Difference]: With dead ends: 1218 [2020-11-07 05:37:39,262 INFO L226 Difference]: Without dead ends: 636 [2020-11-07 05:37:39,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:37:39,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-11-07 05:37:39,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-11-07 05:37:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-07 05:37:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-11-07 05:37:39,498 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 128 [2020-11-07 05:37:39,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:39,499 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-11-07 05:37:39,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:37:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-11-07 05:37:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-07 05:37:39,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:39,508 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:39,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:37:39,509 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:39,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:39,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1357988129, now seen corresponding path program 1 times [2020-11-07 05:37:39,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:39,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844829321] [2020-11-07 05:37:39,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:39,729 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:37:39,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:39,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844829321] [2020-11-07 05:37:39,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:39,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:37:39,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523233817] [2020-11-07 05:37:39,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:39,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:39,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:39,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:39,851 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-11-07 05:37:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:42,757 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-11-07 05:37:42,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:37:42,758 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-11-07 05:37:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:42,770 INFO L225 Difference]: With dead ends: 1701 [2020-11-07 05:37:42,770 INFO L226 Difference]: Without dead ends: 1109 [2020-11-07 05:37:42,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:42,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-11-07 05:37:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-11-07 05:37:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-11-07 05:37:42,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-11-07 05:37:42,978 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 154 [2020-11-07 05:37:42,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:42,981 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-11-07 05:37:42,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:42,981 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-11-07 05:37:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-07 05:37:42,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:42,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:42,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:37:42,994 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:42,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:42,995 INFO L82 PathProgramCache]: Analyzing trace with hash -4979645, now seen corresponding path program 1 times [2020-11-07 05:37:42,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:42,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062890063] [2020-11-07 05:37:42,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:43,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:43,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062890063] [2020-11-07 05:37:43,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:43,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:37:43,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162650470] [2020-11-07 05:37:43,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:43,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:43,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:43,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:43,345 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-11-07 05:37:43,560 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:37:47,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:47,512 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-11-07 05:37:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:37:47,512 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-11-07 05:37:47,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:47,527 INFO L225 Difference]: With dead ends: 2764 [2020-11-07 05:37:47,527 INFO L226 Difference]: Without dead ends: 1912 [2020-11-07 05:37:47,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:37:47,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-11-07 05:37:47,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1679. [2020-11-07 05:37:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-11-07 05:37:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2181 transitions. [2020-11-07 05:37:47,955 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2181 transitions. Word has length 162 [2020-11-07 05:37:47,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:47,955 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2181 transitions. [2020-11-07 05:37:47,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:37:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2181 transitions. [2020-11-07 05:37:47,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-07 05:37:47,966 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:47,966 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:47,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:37:47,967 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:47,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:47,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2132872321, now seen corresponding path program 1 times [2020-11-07 05:37:47,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:47,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761287118] [2020-11-07 05:37:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:48,301 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:37:48,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:48,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:48,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:37:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:37:48,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761287118] [2020-11-07 05:37:48,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:48,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:37:48,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557889806] [2020-11-07 05:37:48,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:37:48,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:48,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:37:48,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:37:48,609 INFO L87 Difference]: Start difference. First operand 1679 states and 2181 transitions. Second operand 13 states. [2020-11-07 05:37:50,599 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:37:52,239 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:37:54,420 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-07 05:37:54,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:54,702 INFO L93 Difference]: Finished difference Result 5339 states and 7139 transitions. [2020-11-07 05:37:54,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:37:54,703 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 184 [2020-11-07 05:37:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:54,725 INFO L225 Difference]: With dead ends: 5339 [2020-11-07 05:37:54,726 INFO L226 Difference]: Without dead ends: 2904 [2020-11-07 05:37:54,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2020-11-07 05:37:54,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2020-11-07 05:37:55,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2318. [2020-11-07 05:37:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-11-07 05:37:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2827 transitions. [2020-11-07 05:37:55,405 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2827 transitions. Word has length 184 [2020-11-07 05:37:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:55,406 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2827 transitions. [2020-11-07 05:37:55,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:37:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2827 transitions. [2020-11-07 05:37:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 05:37:55,415 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:55,416 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:55,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:37:55,416 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:55,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:55,417 INFO L82 PathProgramCache]: Analyzing trace with hash -768357286, now seen corresponding path program 1 times [2020-11-07 05:37:55,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:55,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93101331] [2020-11-07 05:37:55,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:55,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:55,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:37:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:37:55,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93101331] [2020-11-07 05:37:55,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:55,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:37:55,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893908290] [2020-11-07 05:37:55,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:55,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:55,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:55,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:55,717 INFO L87 Difference]: Start difference. First operand 2318 states and 2827 transitions. Second operand 8 states. [2020-11-07 05:37:55,934 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 05:38:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:00,065 INFO L93 Difference]: Finished difference Result 6206 states and 7850 transitions. [2020-11-07 05:38:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:38:00,068 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2020-11-07 05:38:00,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:00,097 INFO L225 Difference]: With dead ends: 6206 [2020-11-07 05:38:00,097 INFO L226 Difference]: Without dead ends: 3748 [2020-11-07 05:38:00,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:38:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3748 states. [2020-11-07 05:38:00,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3748 to 3549. [2020-11-07 05:38:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2020-11-07 05:38:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4223 transitions. [2020-11-07 05:38:00,835 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4223 transitions. Word has length 185 [2020-11-07 05:38:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:00,836 INFO L481 AbstractCegarLoop]: Abstraction has 3549 states and 4223 transitions. [2020-11-07 05:38:00,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:38:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4223 transitions. [2020-11-07 05:38:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-07 05:38:00,850 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:00,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:38:00,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:38:00,851 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1658042607, now seen corresponding path program 1 times [2020-11-07 05:38:00,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:00,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449049522] [2020-11-07 05:38:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:01,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:01,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:01,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:38:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:38:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449049522] [2020-11-07 05:38:01,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:01,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:38:01,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916053793] [2020-11-07 05:38:01,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:38:01,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:01,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:38:01,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:38:01,194 INFO L87 Difference]: Start difference. First operand 3549 states and 4223 transitions. Second operand 7 states. [2020-11-07 05:38:05,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:05,155 INFO L93 Difference]: Finished difference Result 8081 states and 9889 transitions. [2020-11-07 05:38:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:38:05,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-11-07 05:38:05,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:05,192 INFO L225 Difference]: With dead ends: 8081 [2020-11-07 05:38:05,193 INFO L226 Difference]: Without dead ends: 4372 [2020-11-07 05:38:05,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:38:05,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4372 states. [2020-11-07 05:38:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4372 to 3973. [2020-11-07 05:38:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3973 states. [2020-11-07 05:38:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 4563 transitions. [2020-11-07 05:38:06,078 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 4563 transitions. Word has length 211 [2020-11-07 05:38:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:06,079 INFO L481 AbstractCegarLoop]: Abstraction has 3973 states and 4563 transitions. [2020-11-07 05:38:06,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:38:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 4563 transitions. [2020-11-07 05:38:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-07 05:38:06,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:06,096 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:38:06,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:38:06,096 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:06,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:06,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1971705731, now seen corresponding path program 1 times [2020-11-07 05:38:06,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:06,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915925852] [2020-11-07 05:38:06,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:06,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-11-07 05:38:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 05:38:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 116 proven. 18 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-07 05:38:06,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915925852] [2020-11-07 05:38:06,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:06,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:38:06,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849797274] [2020-11-07 05:38:06,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:38:06,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:06,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:38:06,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:38:06,383 INFO L87 Difference]: Start difference. First operand 3973 states and 4563 transitions. Second operand 7 states. [2020-11-07 05:38:09,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:09,477 INFO L93 Difference]: Finished difference Result 9253 states and 10911 transitions. [2020-11-07 05:38:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:38:09,483 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2020-11-07 05:38:09,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:09,512 INFO L225 Difference]: With dead ends: 9253 [2020-11-07 05:38:09,512 INFO L226 Difference]: Without dead ends: 4160 [2020-11-07 05:38:09,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:38:09,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2020-11-07 05:38:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 3891. [2020-11-07 05:38:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3891 states. [2020-11-07 05:38:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 3891 states and 4248 transitions. [2020-11-07 05:38:10,339 INFO L78 Accepts]: Start accepts. Automaton has 3891 states and 4248 transitions. Word has length 269 [2020-11-07 05:38:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:10,339 INFO L481 AbstractCegarLoop]: Abstraction has 3891 states and 4248 transitions. [2020-11-07 05:38:10,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:38:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 4248 transitions. [2020-11-07 05:38:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-11-07 05:38:10,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:10,355 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:38:10,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:38:10,356 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:10,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1403027899, now seen corresponding path program 1 times [2020-11-07 05:38:10,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:10,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029243431] [2020-11-07 05:38:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:10,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:10,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:10,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:38:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-11-07 05:38:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:10,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 05:38:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 204 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-07 05:38:10,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029243431] [2020-11-07 05:38:10,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:10,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:38:10,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780839515] [2020-11-07 05:38:10,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:38:10,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:10,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:38:10,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:38:10,732 INFO L87 Difference]: Start difference. First operand 3891 states and 4248 transitions. Second operand 9 states. [2020-11-07 05:38:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:12,273 INFO L93 Difference]: Finished difference Result 6699 states and 7332 transitions. [2020-11-07 05:38:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 05:38:12,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 315 [2020-11-07 05:38:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:12,282 INFO L225 Difference]: With dead ends: 6699 [2020-11-07 05:38:12,282 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:38:12,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:38:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:38:12,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:38:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:38:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:38:12,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2020-11-07 05:38:12,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:12,298 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:38:12,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:38:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:38:12,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:38:12,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:38:12,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:38:17,629 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-11-07 05:38:31,390 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 181 [2020-11-07 05:39:27,462 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:39:28,304 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-11-07 05:39:30,825 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:39:31,744 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2020-11-07 05:39:32,666 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:39:35,150 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:39:37,630 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:39:40,101 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:39:41,022 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:39:41,954 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:39:42,871 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:39:45,277 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:39:45,945 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:39:46,921 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-11-07 05:39:47,991 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 61 [2020-11-07 05:39:48,859 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 05:39:49,669 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-11-07 05:39:50,353 WARN L194 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:39:51,182 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:39:51,854 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:39:52,535 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:39:54,908 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:39:57,201 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:39:58,139 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2020-11-07 05:39:58,848 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:39:59,805 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:40:00,731 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:40:03,222 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:40:04,305 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 61 [2020-11-07 05:40:05,939 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 05:40:08,332 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:09,204 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 60 [2020-11-07 05:40:10,160 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2020-11-07 05:40:11,036 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2020-11-07 05:40:11,834 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2020-11-07 05:40:12,723 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2020-11-07 05:40:15,140 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:15,856 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:40:16,605 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 57 [2020-11-07 05:40:19,027 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:19,833 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2020-11-07 05:40:20,531 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:40:22,914 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:23,743 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-11-07 05:40:25,232 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:40:27,636 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:30,025 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:30,838 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-11-07 05:40:32,027 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:40:32,891 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:40:33,807 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-11-07 05:40:35,113 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-11-07 05:40:35,817 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:40:36,600 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 59 [2020-11-07 05:40:37,432 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-11-07 05:40:38,301 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:40:39,003 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:40:41,403 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:43,799 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:46,208 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:47,300 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:40:48,141 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-11-07 05:40:50,574 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:40:51,592 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-11-07 05:40:52,596 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:40:53,533 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 65 [2020-11-07 05:40:56,019 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:40:56,963 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:40:59,442 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:01,927 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:04,419 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:05,346 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:41:06,176 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-11-07 05:41:08,592 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:10,238 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-11-07 05:41:11,555 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 161 DAG size of output: 65 [2020-11-07 05:41:12,275 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:41:13,400 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:41:14,201 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2020-11-07 05:41:14,882 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:41:15,560 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:41:17,868 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:20,190 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:21,042 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2020-11-07 05:41:21,922 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2020-11-07 05:41:22,603 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:41:23,486 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 61 [2020-11-07 05:41:24,575 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2020-11-07 05:41:26,999 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:29,305 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:31,615 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:32,532 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-11-07 05:41:33,422 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:41:34,315 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:41:36,694 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:37,585 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:41:39,984 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:42,371 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:41:43,060 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:41:44,423 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:41:45,111 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:41:45,885 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-11-07 05:41:47,035 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 63 [2020-11-07 05:41:49,369 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:50,280 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2020-11-07 05:41:52,599 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:53,395 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:41:54,276 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-11-07 05:41:55,299 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:41:57,627 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:41:59,957 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:02,287 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:02,982 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:04,058 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:42:04,754 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:07,158 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:42:08,059 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:08,959 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:09,867 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:10,911 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2020-11-07 05:42:11,785 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 05:42:12,627 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-11-07 05:42:13,795 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 171 DAG size of output: 67 [2020-11-07 05:42:14,489 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:15,568 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:42:16,549 WARN L194 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-11-07 05:42:17,246 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:18,116 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2020-11-07 05:42:18,812 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:21,163 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:21,859 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:24,203 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:26,546 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:27,630 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 150 DAG size of output: 60 [2020-11-07 05:42:28,566 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-11-07 05:42:29,346 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-11-07 05:42:30,333 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-11-07 05:42:31,152 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-11-07 05:42:32,074 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 65 [2020-11-07 05:42:32,868 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:42:33,728 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 05:42:34,582 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:42:35,288 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:36,214 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:37,128 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:39,555 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:42:40,467 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:42,899 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:42:43,831 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:44,827 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 61 [2020-11-07 05:42:45,630 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 60 [2020-11-07 05:42:46,333 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:48,686 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:49,601 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-11-07 05:42:50,435 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:42:51,143 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:42:53,512 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:42:54,428 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:42:56,864 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:42:59,313 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:00,197 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-11-07 05:43:02,642 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:03,562 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:43:06,013 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:06,999 WARN L194 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:43:07,990 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:43:08,978 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:43:11,424 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:12,355 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:43:14,814 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:15,529 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:16,405 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 05:43:17,121 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:19,512 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:20,227 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:20,945 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:21,781 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-11-07 05:43:24,177 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:26,579 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:27,690 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:43:30,088 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:31,084 WARN L194 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:43:33,549 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:36,017 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:43:38,504 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:39,304 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:43:40,024 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:42,431 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:43,307 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 05:43:45,720 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:46,902 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 164 DAG size of output: 66 [2020-11-07 05:43:47,782 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:43:48,506 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:49,455 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 63 [2020-11-07 05:43:50,288 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 59 [2020-11-07 05:43:51,189 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-11-07 05:43:51,918 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:52,991 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2020-11-07 05:43:53,977 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 60 [2020-11-07 05:43:54,702 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:43:55,498 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-11-07 05:43:56,342 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-11-07 05:43:58,766 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:43:59,590 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-11-07 05:44:00,555 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 65 [2020-11-07 05:44:01,393 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 59 [2020-11-07 05:44:02,214 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2020-11-07 05:44:04,641 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:07,067 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:07,867 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-11-07 05:44:08,871 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 66 [2020-11-07 05:44:10,052 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-11-07 05:44:10,896 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:44:11,620 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:12,748 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:44:13,566 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:44:14,415 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:44:16,842 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:19,277 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:20,158 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2020-11-07 05:44:22,595 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:25,031 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:25,883 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 58 [2020-11-07 05:44:28,318 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:29,405 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2020-11-07 05:44:31,852 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:44:32,808 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:44:35,330 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:44:37,848 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:44:40,364 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:44:41,398 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:44:42,353 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:44:43,308 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:44:45,833 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:44:46,844 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:44:47,744 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:44:48,666 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-11-07 05:44:49,404 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:50,299 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2020-11-07 05:44:51,035 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:51,778 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:52,519 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:53,259 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:54,000 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:44:54,901 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:44:55,779 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 55 [2020-11-07 05:44:57,034 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2020-11-07 05:44:58,236 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:44:59,263 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:45:01,798 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:45:02,892 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 156 DAG size of output: 61 [2020-11-07 05:45:03,748 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 05:45:04,615 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-11-07 05:45:07,087 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:08,298 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-11-07 05:45:09,546 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:45:10,415 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-11-07 05:45:11,247 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:45:12,124 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2020-11-07 05:45:12,869 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:13,619 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:15,331 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 05:45:16,083 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:17,014 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-11-07 05:45:19,495 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:21,980 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:22,730 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:25,224 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:27,801 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:45:28,555 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:29,479 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2020-11-07 05:45:30,234 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:31,161 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 05:45:32,037 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2020-11-07 05:45:33,093 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-11-07 05:45:35,588 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:36,346 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:37,102 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:39,581 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:40,424 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2020-11-07 05:45:42,910 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:43,839 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 61 [2020-11-07 05:45:44,596 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:47,093 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:45:48,006 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2020-11-07 05:45:49,022 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2020-11-07 05:45:49,955 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-11-07 05:45:50,887 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-11-07 05:45:51,721 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:45:53,096 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 161 DAG size of output: 65 [2020-11-07 05:45:53,857 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:45:55,428 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:45:56,378 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:45:57,593 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:45:58,356 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:00,080 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 05:46:00,831 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:01,592 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:02,525 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2020-11-07 05:46:03,284 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:04,163 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2020-11-07 05:46:06,692 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:46:06,838 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2020-11-07 05:46:09,357 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:46:10,308 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 62 [2020-11-07 05:46:11,376 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2020-11-07 05:46:12,314 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 05:46:13,068 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:14,240 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 175 DAG size of output: 66 [2020-11-07 05:46:15,011 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:15,951 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-11-07 05:46:17,124 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 152 DAG size of output: 59 [2020-11-07 05:46:18,116 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-11-07 05:46:19,287 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:46:20,307 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2020-11-07 05:46:21,071 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:23,588 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:46:24,575 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:46:25,341 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:27,977 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:30,493 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:46:31,681 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:46:34,274 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:35,333 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:46:36,392 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:46:37,443 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:46:40,032 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:41,019 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:46:43,611 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:46,203 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:47,198 WARN L194 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:46:49,800 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:52,409 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:46:53,487 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:46:54,450 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 59 [2020-11-07 05:46:55,688 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 05:46:56,573 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-11-07 05:46:57,343 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:46:58,402 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:46:59,177 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:47:01,785 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:47:04,334 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:47:05,296 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-11-07 05:47:07,846 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:47:10,463 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:47:11,240 WARN L194 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:47:12,248 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:47:13,328 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:47:15,956 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:47:16,853 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:47:17,745 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:47:18,637 WARN L194 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:47:19,572 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:47:29,873 WARN L194 SmtUtils]: Spent 10.29 s on a formula simplification. DAG size of input: 324 DAG size of output: 142 [2020-11-07 05:47:40,919 WARN L194 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 324 DAG size of output: 142 [2020-11-07 05:47:43,619 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:47:44,911 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:47:46,193 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:47:48,934 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:47:49,856 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:47:52,487 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:47:53,290 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:47:54,243 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2020-11-07 05:47:56,855 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:47:59,566 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:00,751 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-11-07 05:48:02,384 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:48:03,205 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:48:04,329 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 107 DAG size of output: 64 [2020-11-07 05:48:05,627 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:48:06,762 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 164 DAG size of output: 67 [2020-11-07 05:48:07,755 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-11-07 05:48:08,608 WARN L194 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:48:09,539 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:48:10,514 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-11-07 05:48:13,302 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:16,071 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:18,754 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:19,795 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 05:48:22,535 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:23,681 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:48:26,470 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:48:29,209 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:48:31,960 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:48:33,020 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:48:34,073 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:48:35,265 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2020-11-07 05:48:37,924 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:38,939 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 99 DAG size of output: 58 [2020-11-07 05:48:39,769 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:48:40,729 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 63 [2020-11-07 05:48:41,678 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 61 [2020-11-07 05:48:42,635 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:48:44,012 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:48:44,820 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:48:46,074 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 161 DAG size of output: 68 [2020-11-07 05:48:47,027 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-11-07 05:48:48,023 WARN L194 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 56 [2020-11-07 05:48:48,972 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:48:49,919 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:48:50,877 WARN L194 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:48:51,867 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2020-11-07 05:48:52,789 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-11-07 05:48:53,584 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:48:54,761 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2020-11-07 05:48:57,341 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:48:58,254 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2020-11-07 05:48:59,451 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:49:02,030 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:04,664 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:05,465 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:06,287 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:07,321 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 63 [2020-11-07 05:49:08,301 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:49:09,310 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2020-11-07 05:49:11,891 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:12,873 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2020-11-07 05:49:15,555 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:49:18,164 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:19,191 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-11-07 05:49:20,404 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:49:21,428 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-11-07 05:49:22,515 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:49:25,193 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:49:26,242 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-11-07 05:49:27,040 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:27,972 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2020-11-07 05:49:30,564 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:33,173 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:34,186 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 113 DAG size of output: 64 [2020-11-07 05:49:35,078 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2020-11-07 05:49:36,127 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-11-07 05:49:36,925 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:38,156 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:49:38,958 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:40,127 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 156 DAG size of output: 61 [2020-11-07 05:49:41,922 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-11-07 05:49:42,941 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 59 [2020-11-07 05:49:43,924 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-11-07 05:49:46,559 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:47,795 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:49:48,794 WARN L194 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 05:49:49,599 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:50,401 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:49:51,412 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2020-11-07 05:49:52,419 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2020-11-07 05:49:55,028 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:56,114 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 147 DAG size of output: 61 [2020-11-07 05:49:58,737 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:49:59,544 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:50:00,355 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:50:02,978 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:50:04,026 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2020-11-07 05:50:04,983 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2020-11-07 05:50:05,986 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:50:08,682 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 197 DAG size of output: 79 [2020-11-07 05:50:11,318 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:50:12,435 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:50:13,405 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 61 [2020-11-07 05:50:14,337 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2020-11-07 05:50:15,270 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 57 [2020-11-07 05:50:16,319 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-11-07 05:50:17,134 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:50:17,950 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:50:18,851 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2020-11-07 05:50:19,667 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:50:20,681 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 115 DAG size of output: 65 [2020-11-07 05:50:21,680 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 61 [2020-11-07 05:50:23,236 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:50:24,042 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-11-07 05:50:25,443 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-11-07 05:50:26,451 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:50:29,080 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-11-07 05:50:30,063 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2020-11-07 05:50:31,037 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-11-07 05:50:32,244 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-11-07 05:50:33,280 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 145 DAG size of output: 59