/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:53:37,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:53:37,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:53:37,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:53:37,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:53:37,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:53:37,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:53:37,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:53:37,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:53:37,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:53:37,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:53:37,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:53:37,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:53:37,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:53:37,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:53:37,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:53:37,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:53:37,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:53:37,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:53:37,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:53:37,767 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 05:53:37,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:53:37,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:53:37,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:53:37,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:53:37,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:53:37,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:53:37,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:53:37,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:53:37,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:53:37,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:53:37,799 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:53:37,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:53:37,799 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:53:37,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:53:37,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:53:37,800 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:53:37,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:53:37,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:53:37,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:53:37,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:53:37,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:53:37,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:53:37,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:53:38,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:53:38,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:53:38,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:53:38,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:53:38,254 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:53:38,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-11-07 05:53:38,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2bfe16f/ef2a786d2c76427b9eadaee23070423d/FLAG1a7b5c0c9 [2020-11-07 05:53:39,063 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:53:39,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-11-07 05:53:39,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2bfe16f/ef2a786d2c76427b9eadaee23070423d/FLAG1a7b5c0c9 [2020-11-07 05:53:39,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2bfe16f/ef2a786d2c76427b9eadaee23070423d [2020-11-07 05:53:39,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:53:39,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:53:39,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:53:39,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:53:39,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:53:39,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:53:39" (1/1) ... [2020-11-07 05:53:39,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7bc089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:39, skipping insertion in model container [2020-11-07 05:53:39,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:53:39" (1/1) ... [2020-11-07 05:53:39,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:53:39,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:53:39,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:53:39,892 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:53:40,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:53:40,122 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:53:40,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40 WrapperNode [2020-11-07 05:53:40,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:53:40,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:53:40,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:53:40,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:53:40,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (1/1) ... [2020-11-07 05:53:40,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:53:40,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:53:40,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:53:40,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:53:40,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (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 05:53:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:53:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:53:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:53:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:53:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:53:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:53:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:53:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:53:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:53:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:53:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:53:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:53:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:53:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:53:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:53:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:53:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:53:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:53:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:53:42,037 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:53:42,038 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:53:42,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:53:42 BoogieIcfgContainer [2020-11-07 05:53:42,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:53:42,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:53:42,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:53:42,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:53:42,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:53:39" (1/3) ... [2020-11-07 05:53:42,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f04941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:53:42, skipping insertion in model container [2020-11-07 05:53:42,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:40" (2/3) ... [2020-11-07 05:53:42,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f04941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:53:42, skipping insertion in model container [2020-11-07 05:53:42,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:53:42" (3/3) ... [2020-11-07 05:53:42,053 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-11-07 05:53:42,070 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:53:42,074 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:53:42,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:53:42,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:53:42,113 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:53:42,113 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:53:42,113 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:53:42,113 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:53:42,114 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:53:42,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:53:42,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:53:42,142 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:53:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-11-07 05:53:42,170 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:53:42,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:53:42,172 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:53:42,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:53:42,178 INFO L82 PathProgramCache]: Analyzing trace with hash 2115669931, now seen corresponding path program 1 times [2020-11-07 05:53:42,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:53:42,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562530376] [2020-11-07 05:53:42,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:53:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:42,862 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:53:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:53:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:43,063 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 05:53:43,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562530376] [2020-11-07 05:53:43,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:53:43,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:53:43,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133124240] [2020-11-07 05:53:43,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:53:43,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:53:43,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:53:43,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:53:43,096 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:53:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:53:46,202 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-11-07 05:53:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:53:46,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-11-07 05:53:46,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:53:46,225 INFO L225 Difference]: With dead ends: 1218 [2020-11-07 05:53:46,226 INFO L226 Difference]: Without dead ends: 636 [2020-11-07 05:53:46,235 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 05:53:46,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-11-07 05:53:46,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-11-07 05:53:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-07 05:53:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-11-07 05:53:46,426 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 163 [2020-11-07 05:53:46,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:53:46,427 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-11-07 05:53:46,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:53:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-11-07 05:53:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-07 05:53:46,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:53:46,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:53:46,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:53:46,435 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:53:46,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:53:46,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1470069610, now seen corresponding path program 1 times [2020-11-07 05:53:46,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:53:46,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461285348] [2020-11-07 05:53:46,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:53:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:46,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:53:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:53:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:46,828 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 05:53:46,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461285348] [2020-11-07 05:53:46,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:53:46,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:53:46,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113368659] [2020-11-07 05:53:46,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:53:46,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:53:46,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:53:46,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:53:46,836 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-11-07 05:53:47,017 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:53:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:53:49,714 INFO L93 Difference]: Finished difference Result 1704 states and 2211 transitions. [2020-11-07 05:53:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:53:49,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-11-07 05:53:49,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:53:49,729 INFO L225 Difference]: With dead ends: 1704 [2020-11-07 05:53:49,729 INFO L226 Difference]: Without dead ends: 1112 [2020-11-07 05:53:49,734 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 05:53:49,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-11-07 05:53:49,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1034. [2020-11-07 05:53:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-11-07 05:53:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1327 transitions. [2020-11-07 05:53:49,965 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1327 transitions. Word has length 189 [2020-11-07 05:53:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:53:49,966 INFO L481 AbstractCegarLoop]: Abstraction has 1034 states and 1327 transitions. [2020-11-07 05:53:49,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:53:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1327 transitions. [2020-11-07 05:53:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-07 05:53:49,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:53:49,978 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:53:49,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:53:49,979 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:53:49,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:53:49,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1967890892, now seen corresponding path program 1 times [2020-11-07 05:53:49,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:53:49,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709026095] [2020-11-07 05:53:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:53:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:50,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:53:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:53:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:50,326 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 05:53:50,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709026095] [2020-11-07 05:53:50,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:53:50,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:53:50,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589130615] [2020-11-07 05:53:50,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:53:50,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:53:50,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:53:50,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:53:50,342 INFO L87 Difference]: Start difference. First operand 1034 states and 1327 transitions. Second operand 8 states. [2020-11-07 05:53:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:53:54,481 INFO L93 Difference]: Finished difference Result 3222 states and 4466 transitions. [2020-11-07 05:53:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:53:54,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 197 [2020-11-07 05:53:54,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:53:54,499 INFO L225 Difference]: With dead ends: 3222 [2020-11-07 05:53:54,499 INFO L226 Difference]: Without dead ends: 2218 [2020-11-07 05:53:54,505 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 05:53:54,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-11-07 05:53:54,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2141. [2020-11-07 05:53:54,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2141 states. [2020-11-07 05:53:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2826 transitions. [2020-11-07 05:53:54,975 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2826 transitions. Word has length 197 [2020-11-07 05:53:54,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:53:54,976 INFO L481 AbstractCegarLoop]: Abstraction has 2141 states and 2826 transitions. [2020-11-07 05:53:54,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:53:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2826 transitions. [2020-11-07 05:53:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-07 05:53:54,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:53:54,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:53:54,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:53:54,993 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:53:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:53:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash 517199879, now seen corresponding path program 1 times [2020-11-07 05:53:54,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:53:54,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878240177] [2020-11-07 05:53:54,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:53:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:55,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:53:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:55,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:53:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:53:55,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878240177] [2020-11-07 05:53:55,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:53:55,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:53:55,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788633945] [2020-11-07 05:53:55,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:53:55,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:53:55,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:53:55,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:53:55,322 INFO L87 Difference]: Start difference. First operand 2141 states and 2826 transitions. Second operand 7 states. [2020-11-07 05:53:55,532 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:53:58,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:53:58,585 INFO L93 Difference]: Finished difference Result 5469 states and 7655 transitions. [2020-11-07 05:53:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:53:58,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2020-11-07 05:53:58,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:53:58,618 INFO L225 Difference]: With dead ends: 5469 [2020-11-07 05:53:58,618 INFO L226 Difference]: Without dead ends: 3358 [2020-11-07 05:53:58,632 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 05:53:58,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2020-11-07 05:53:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 2778. [2020-11-07 05:53:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2778 states. [2020-11-07 05:53:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3530 transitions. [2020-11-07 05:53:59,353 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3530 transitions. Word has length 201 [2020-11-07 05:53:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:53:59,354 INFO L481 AbstractCegarLoop]: Abstraction has 2778 states and 3530 transitions. [2020-11-07 05:53:59,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:53:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3530 transitions. [2020-11-07 05:53:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-07 05:53:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:53:59,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:59,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:53:59,367 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:53:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:53:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash -851837642, now seen corresponding path program 1 times [2020-11-07 05:53:59,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:53:59,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418488725] [2020-11-07 05:53:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:53:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:59,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:53:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:59,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:53:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:59,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:53:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:53:59,994 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 05:53:59,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418488725] [2020-11-07 05:53:59,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:53:59,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:53:59,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507074911] [2020-11-07 05:53:59,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:53:59,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:53:59,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:53:59,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:53:59,997 INFO L87 Difference]: Start difference. First operand 2778 states and 3530 transitions. Second operand 13 states. [2020-11-07 05:54:01,665 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:54:04,624 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:54:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:54:07,710 INFO L93 Difference]: Finished difference Result 7975 states and 10312 transitions. [2020-11-07 05:54:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:54:07,711 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 219 [2020-11-07 05:54:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:54:07,743 INFO L225 Difference]: With dead ends: 7975 [2020-11-07 05:54:07,743 INFO L226 Difference]: Without dead ends: 3832 [2020-11-07 05:54:07,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:54:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2020-11-07 05:54:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3548. [2020-11-07 05:54:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2020-11-07 05:54:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4268 transitions. [2020-11-07 05:54:08,774 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4268 transitions. Word has length 219 [2020-11-07 05:54:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:54:08,775 INFO L481 AbstractCegarLoop]: Abstraction has 3548 states and 4268 transitions. [2020-11-07 05:54:08,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:54:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4268 transitions. [2020-11-07 05:54:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-11-07 05:54:08,792 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:54:08,793 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:54:08,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:54:08,793 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:54:08,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:54:08,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1115126949, now seen corresponding path program 1 times [2020-11-07 05:54:08,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:54:08,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531455423] [2020-11-07 05:54:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:54:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:54:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:09,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:54:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:54:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-07 05:54:09,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531455423] [2020-11-07 05:54:09,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:54:09,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:54:09,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113115274] [2020-11-07 05:54:09,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:54:09,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:54:09,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:54:09,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:54:09,453 INFO L87 Difference]: Start difference. First operand 3548 states and 4268 transitions. Second operand 13 states. [2020-11-07 05:54:10,105 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 05:54:12,150 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:54:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:54:14,122 INFO L93 Difference]: Finished difference Result 6846 states and 8170 transitions. [2020-11-07 05:54:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:54:14,122 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 264 [2020-11-07 05:54:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:54:14,145 INFO L225 Difference]: With dead ends: 6846 [2020-11-07 05:54:14,146 INFO L226 Difference]: Without dead ends: 2915 [2020-11-07 05:54:14,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:54:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2020-11-07 05:54:14,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2753. [2020-11-07 05:54:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2753 states. [2020-11-07 05:54:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3127 transitions. [2020-11-07 05:54:14,743 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3127 transitions. Word has length 264 [2020-11-07 05:54:14,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:54:14,745 INFO L481 AbstractCegarLoop]: Abstraction has 2753 states and 3127 transitions. [2020-11-07 05:54:14,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:54:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3127 transitions. [2020-11-07 05:54:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-11-07 05:54:14,757 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:54:14,758 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:14,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:54:14,758 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:54:14,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:54:14,759 INFO L82 PathProgramCache]: Analyzing trace with hash 433469089, now seen corresponding path program 1 times [2020-11-07 05:54:14,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:54:14,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252349511] [2020-11-07 05:54:14,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:54:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:54:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:15,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:54:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:54:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 05:54:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 90 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-07 05:54:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252349511] [2020-11-07 05:54:15,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:54:15,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-07 05:54:15,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141251719] [2020-11-07 05:54:15,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 05:54:15,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:54:15,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 05:54:15,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:54:15,301 INFO L87 Difference]: Start difference. First operand 2753 states and 3127 transitions. Second operand 12 states. [2020-11-07 05:54:15,664 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-11-07 05:54:16,052 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-11-07 05:54:17,191 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 05:54:17,427 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 05:54:17,785 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 05:54:19,189 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 05:54:21,428 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-11-07 05:54:21,943 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-11-07 05:54:25,472 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-11-07 05:54:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:54:27,231 INFO L93 Difference]: Finished difference Result 8439 states and 9780 transitions. [2020-11-07 05:54:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-11-07 05:54:27,232 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 267 [2020-11-07 05:54:27,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:54:27,266 INFO L225 Difference]: With dead ends: 8439 [2020-11-07 05:54:27,266 INFO L226 Difference]: Without dead ends: 5715 [2020-11-07 05:54:27,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=495, Invalid=1761, Unknown=0, NotChecked=0, Total=2256 [2020-11-07 05:54:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5715 states. [2020-11-07 05:54:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5715 to 4977. [2020-11-07 05:54:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2020-11-07 05:54:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 5649 transitions. [2020-11-07 05:54:28,316 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 5649 transitions. Word has length 267 [2020-11-07 05:54:28,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:54:28,316 INFO L481 AbstractCegarLoop]: Abstraction has 4977 states and 5649 transitions. [2020-11-07 05:54:28,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 05:54:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 5649 transitions. [2020-11-07 05:54:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-11-07 05:54:28,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:54:28,332 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:28,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:54:28,333 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:54:28,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:54:28,333 INFO L82 PathProgramCache]: Analyzing trace with hash -922860028, now seen corresponding path program 1 times [2020-11-07 05:54:28,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:54:28,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306142853] [2020-11-07 05:54:28,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:54:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:28,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:54:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:28,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:54:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:54:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 05:54:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 101 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 05:54:28,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306142853] [2020-11-07 05:54:28,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:54:28,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:54:28,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121667724] [2020-11-07 05:54:28,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:54:28,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:54:28,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:54:28,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:54:28,730 INFO L87 Difference]: Start difference. First operand 4977 states and 5649 transitions. Second operand 9 states. [2020-11-07 05:54:30,044 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-07 05:54:31,587 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 05:54:33,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:54:33,864 INFO L93 Difference]: Finished difference Result 10774 states and 12292 transitions. [2020-11-07 05:54:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 05:54:33,867 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 272 [2020-11-07 05:54:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:54:33,899 INFO L225 Difference]: With dead ends: 10774 [2020-11-07 05:54:33,900 INFO L226 Difference]: Without dead ends: 5671 [2020-11-07 05:54:33,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-11-07 05:54:33,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2020-11-07 05:54:35,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 5478. [2020-11-07 05:54:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-07 05:54:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6144 transitions. [2020-11-07 05:54:35,130 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6144 transitions. Word has length 272 [2020-11-07 05:54:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:54:35,131 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6144 transitions. [2020-11-07 05:54:35,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:54:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6144 transitions. [2020-11-07 05:54:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-11-07 05:54:35,147 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:54:35,148 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:54:35,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:54:35,148 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:54:35,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:54:35,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1870077962, now seen corresponding path program 1 times [2020-11-07 05:54:35,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:54:35,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819853559] [2020-11-07 05:54:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:54:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:54:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:35,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:54:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:54:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:35,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-11-07 05:54:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:54:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 135 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 05:54:35,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819853559] [2020-11-07 05:54:35,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:54:35,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:54:35,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603968663] [2020-11-07 05:54:35,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:54:35,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:54:35,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:54:35,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:54:35,541 INFO L87 Difference]: Start difference. First operand 5478 states and 6144 transitions. Second operand 9 states. [2020-11-07 05:54:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:54:37,720 INFO L93 Difference]: Finished difference Result 9722 states and 10906 transitions. [2020-11-07 05:54:37,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 05:54:37,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 293 [2020-11-07 05:54:37,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:54:37,731 INFO L225 Difference]: With dead ends: 9722 [2020-11-07 05:54:37,731 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:54:37,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 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 05:54:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:54:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:54:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:54:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:54:37,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 293 [2020-11-07 05:54:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:54:37,753 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:54:37,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:54:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:54:37,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:54:37,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:54:37,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:54:39,126 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-11-07 05:54:54,596 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:08,850 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:26,056 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:26,170 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:26,283 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:26,391 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:34,338 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:34,447 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:34,556 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:41,966 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-11-07 05:55:48,510 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:55:49,555 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-11-07 05:55:51,931 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:55:52,828 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 70 [2020-11-07 05:55:53,654 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:55:55,991 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:55:58,319 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:56:00,676 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:56:01,505 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:56:02,332 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:56:03,161 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:56:05,506 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:56:06,228 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:07,069 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-11-07 05:56:08,364 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 183 DAG size of output: 69 [2020-11-07 05:56:09,268 WARN L194 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2020-11-07 05:56:10,173 WARN L194 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 71 [2020-11-07 05:56:10,877 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:11,703 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-11-07 05:56:12,428 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:13,134 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:15,354 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:17,579 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:18,468 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 65 [2020-11-07 05:56:19,177 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:20,035 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:56:20,869 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:56:23,225 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:56:24,148 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 66 [2020-11-07 05:56:25,635 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 183 DAG size of output: 72 [2020-11-07 05:56:27,867 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:28,824 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 63 [2020-11-07 05:56:29,614 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 71 [2020-11-07 05:56:30,460 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-11-07 05:56:31,226 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-11-07 05:56:32,129 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:56:34,368 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:35,108 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:35,915 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-11-07 05:56:38,183 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:39,031 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-11-07 05:56:39,748 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:41,995 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:43,062 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2020-11-07 05:56:44,413 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2020-11-07 05:56:46,661 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:48,915 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:56:49,704 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2020-11-07 05:56:51,003 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 178 DAG size of output: 75 [2020-11-07 05:56:51,856 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2020-11-07 05:56:52,730 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 65 [2020-11-07 05:56:53,462 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:54,324 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-11-07 05:56:55,107 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 65 [2020-11-07 05:56:55,997 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 63 [2020-11-07 05:56:56,838 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 64 [2020-11-07 05:56:57,564 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:56:59,826 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:02,103 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:04,382 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:05,274 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-11-07 05:57:06,376 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-11-07 05:57:08,645 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:09,510 WARN L194 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-11-07 05:57:10,503 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 05:57:11,451 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 73 [2020-11-07 05:57:13,855 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:14,710 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:57:17,109 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:19,514 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:21,923 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:22,791 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:57:23,589 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2020-11-07 05:57:25,880 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:27,129 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 188 DAG size of output: 73 [2020-11-07 05:57:28,389 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 182 DAG size of output: 73 [2020-11-07 05:57:29,124 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:57:29,870 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:57:30,966 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2020-11-07 05:57:31,704 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:57:32,438 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:57:34,746 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:37,030 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:37,852 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 63 [2020-11-07 05:57:38,719 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-11-07 05:57:39,457 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:57:40,335 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2020-11-07 05:57:41,294 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 67 [2020-11-07 05:57:43,729 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:46,031 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:48,332 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:57:49,161 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-11-07 05:57:50,028 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:57:50,903 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:57:53,347 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:54,222 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:57:56,652 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:59,105 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:57:59,851 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:00,895 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-11-07 05:58:01,849 WARN L194 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 66 [2020-11-07 05:58:02,637 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 62 [2020-11-07 05:58:03,736 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-11-07 05:58:06,042 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:06,789 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:09,102 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:09,959 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 05:58:10,714 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:11,663 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-11-07 05:58:13,982 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:16,318 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:18,656 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:19,409 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:20,367 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-11-07 05:58:21,119 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:23,593 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:58:24,482 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:58:25,241 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:26,124 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:58:26,881 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:27,978 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-11-07 05:58:28,881 WARN L194 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2020-11-07 05:58:29,830 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 66 [2020-11-07 05:58:30,967 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2020-11-07 05:58:31,725 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:33,124 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-11-07 05:58:34,018 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-11-07 05:58:34,771 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:35,533 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:36,291 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:38,634 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:39,392 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:41,729 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:44,083 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:58:45,295 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 176 DAG size of output: 68 [2020-11-07 05:58:46,197 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 67 [2020-11-07 05:58:47,019 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 60 [2020-11-07 05:58:47,925 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-11-07 05:58:48,902 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 67 [2020-11-07 05:58:49,958 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2020-11-07 05:58:50,783 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-11-07 05:58:51,699 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-11-07 05:58:52,583 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 64 [2020-11-07 05:58:53,348 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:58:54,242 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:58:55,133 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:58:57,618 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:58:58,510 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:59:01,002 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:01,912 WARN L194 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:59:03,070 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-11-07 05:59:03,899 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 65 [2020-11-07 05:59:04,666 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:59:07,039 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:59:08,009 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-11-07 05:59:09,049 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 135 DAG size of output: 73 [2020-11-07 05:59:09,821 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:59:12,187 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:59:13,090 WARN L194 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:59:15,597 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:18,114 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:19,020 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-11-07 05:59:21,524 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:22,431 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:59:24,950 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:25,998 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 05:59:27,083 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 05:59:28,223 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 05:59:30,987 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:31,969 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:59:34,711 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:35,551 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:59:36,818 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 183 DAG size of output: 70 [2020-11-07 05:59:37,659 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:59:40,234 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:59:41,071 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:59:41,882 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 05:59:42,813 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 61 [2020-11-07 05:59:45,245 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:59:47,735 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:59:48,741 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-11-07 05:59:51,181 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 05:59:52,322 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 05:59:54,949 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 05:59:57,615 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:00:00,161 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:01,060 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 06:00:01,848 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:00:04,238 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:05,171 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 70 [2020-11-07 06:00:07,737 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:08,878 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2020-11-07 06:00:09,823 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2020-11-07 06:00:10,650 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:00:12,004 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-11-07 06:00:12,876 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 64 [2020-11-07 06:00:13,685 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:00:14,487 WARN L194 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:00:15,621 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-11-07 06:00:16,625 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 62 [2020-11-07 06:00:17,437 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:00:18,343 WARN L194 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 60 [2020-11-07 06:00:19,433 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 68 [2020-11-07 06:00:21,977 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:22,886 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 62 [2020-11-07 06:00:24,031 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2020-11-07 06:00:24,956 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 64 [2020-11-07 06:00:25,896 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-11-07 06:00:28,517 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:31,143 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:32,087 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2020-11-07 06:00:33,163 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 138 DAG size of output: 69 [2020-11-07 06:00:34,256 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 177 DAG size of output: 75 [2020-11-07 06:00:35,219 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:00:36,060 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:00:37,608 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-11-07 06:00:38,507 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 64 [2020-11-07 06:00:39,601 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 129 DAG size of output: 71 [2020-11-07 06:00:42,212 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:44,831 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:45,751 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 64 [2020-11-07 06:00:48,207 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:50,668 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:51,647 WARN L194 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2020-11-07 06:00:54,197 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:55,651 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 183 DAG size of output: 69 [2020-11-07 06:00:58,255 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:00:59,268 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:01:02,063 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:01:04,819 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:01:07,502 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:01:08,655 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:01:09,639 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:01:10,662 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:01:13,398 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:01:14,526 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:01:15,493 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2020-11-07 06:01:16,658 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 140 DAG size of output: 70 [2020-11-07 06:01:17,490 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:18,312 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:19,140 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:19,958 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:20,787 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:21,606 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:22,439 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:23,432 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 71 [2020-11-07 06:01:24,390 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 61 [2020-11-07 06:01:25,703 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 173 DAG size of output: 65 [2020-11-07 06:01:26,857 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 183 DAG size of output: 69 [2020-11-07 06:01:27,981 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:01:30,654 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:01:31,901 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-11-07 06:01:32,812 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 67 [2020-11-07 06:01:33,894 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2020-11-07 06:01:36,425 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:01:37,554 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 182 DAG size of output: 73 [2020-11-07 06:01:38,421 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:39,222 WARN L194 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:40,110 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2020-11-07 06:01:40,991 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2020-11-07 06:01:41,784 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:42,578 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:44,214 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 183 DAG size of output: 72 [2020-11-07 06:01:45,007 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:45,947 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-11-07 06:01:48,393 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:01:50,831 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:01:51,630 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:01:54,070 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:01:56,649 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:01:57,759 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2020-11-07 06:01:58,674 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 66 [2020-11-07 06:01:59,482 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:00,459 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-11-07 06:02:01,344 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2020-11-07 06:02:02,303 WARN L194 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-11-07 06:02:04,741 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:05,550 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:06,364 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:08,822 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:09,666 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-11-07 06:02:12,165 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:13,168 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 68 [2020-11-07 06:02:14,103 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-11-07 06:02:16,555 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:17,466 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-11-07 06:02:18,544 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-11-07 06:02:19,362 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:20,259 WARN L194 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-11-07 06:02:21,137 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-11-07 06:02:22,517 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 182 DAG size of output: 73 [2020-11-07 06:02:23,319 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:24,824 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2020-11-07 06:02:25,739 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 61 [2020-11-07 06:02:26,548 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:27,367 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:29,024 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 183 DAG size of output: 72 [2020-11-07 06:02:29,841 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:30,655 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:31,569 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2020-11-07 06:02:32,388 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:33,254 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 63 [2020-11-07 06:02:35,713 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:35,892 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-11-07 06:02:38,364 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:39,507 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-11-07 06:02:40,476 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-11-07 06:02:41,445 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-11-07 06:02:42,262 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:43,818 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 196 DAG size of output: 70 [2020-11-07 06:02:44,630 WARN L194 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:02:45,634 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 68 [2020-11-07 06:02:46,601 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-11-07 06:02:47,901 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-11-07 06:02:48,931 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-11-07 06:02:49,993 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-11-07 06:02:50,940 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 67 [2020-11-07 06:02:53,422 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:02:54,386 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:02:55,476 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-11-07 06:02:58,141 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:00,629 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:03:02,126 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-11-07 06:03:04,782 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:05,886 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:03:06,999 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:03:08,108 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:03:10,763 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:11,726 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:03:14,371 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:17,033 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:18,004 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:03:20,665 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:23,312 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:24,424 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:03:25,362 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 62 [2020-11-07 06:03:26,497 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2020-11-07 06:03:27,383 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2020-11-07 06:03:28,222 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:03:29,381 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:03:32,057 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:34,647 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 240 DAG size of output: 80 [2020-11-07 06:03:35,791 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 138 DAG size of output: 70 [2020-11-07 06:03:38,318 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:03:41,011 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:41,980 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:03:42,957 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:03:44,089 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:03:46,786 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:03:47,730 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:03:48,674 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:03:49,627 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:03:50,577 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:03:57,762 WARN L194 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 327 DAG size of output: 145 [2020-11-07 06:04:04,911 WARN L194 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 327 DAG size of output: 145 [2020-11-07 06:04:07,465 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:08,481 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 131 DAG size of output: 69 [2020-11-07 06:04:09,548 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-11-07 06:04:12,110 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:13,042 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-11-07 06:04:15,588 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:16,441 WARN L194 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:04:17,362 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-11-07 06:04:19,915 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:22,467 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:23,334 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:04:24,888 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2020-11-07 06:04:25,731 WARN L194 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:04:26,786 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 129 DAG size of output: 67 [2020-11-07 06:04:28,295 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 181 DAG size of output: 68 [2020-11-07 06:04:29,211 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 60 [2020-11-07 06:04:30,601 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 197 DAG size of output: 75 [2020-11-07 06:04:31,458 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:04:32,374 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-11-07 06:04:33,475 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2020-11-07 06:04:36,040 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:38,645 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:41,230 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:42,249 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-11-07 06:04:44,830 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:04:45,970 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:04:48,716 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:04:51,455 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:04:54,208 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:04:55,213 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:04:56,216 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:04:57,442 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 138 DAG size of output: 69 [2020-11-07 06:05:00,020 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:00,944 WARN L194 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 70 [2020-11-07 06:05:01,803 WARN L194 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:05:02,733 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2020-11-07 06:05:03,641 WARN L194 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 65 [2020-11-07 06:05:04,607 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 65 [2020-11-07 06:05:06,180 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 186 DAG size of output: 70 [2020-11-07 06:05:07,047 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:05:08,433 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 196 DAG size of output: 71 [2020-11-07 06:05:09,363 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 64 [2020-11-07 06:05:10,347 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 61 [2020-11-07 06:05:11,332 WARN L194 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:05:12,313 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:05:13,299 WARN L194 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-11-07 06:05:14,208 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 71 [2020-11-07 06:05:15,172 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2020-11-07 06:05:16,036 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:05:17,249 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-11-07 06:05:19,855 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:20,836 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2020-11-07 06:05:22,202 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 187 DAG size of output: 65 [2020-11-07 06:05:24,800 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:27,459 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:28,333 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:05:29,445 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-11-07 06:05:30,315 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:05:31,308 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-11-07 06:05:32,467 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 177 DAG size of output: 67 [2020-11-07 06:05:35,087 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:36,090 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-11-07 06:05:38,870 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:05:41,504 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:42,479 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:05:44,052 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-11-07 06:05:45,071 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 06:05:46,247 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:05:49,024 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:05:50,176 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-11-07 06:05:51,194 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2020-11-07 06:05:52,185 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 58 [2020-11-07 06:05:54,826 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:57,445 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:05:58,319 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:05:59,237 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-11-07 06:06:00,271 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 135 DAG size of output: 65 [2020-11-07 06:06:01,144 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:02,451 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 182 DAG size of output: 70 [2020-11-07 06:06:03,665 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 181 DAG size of output: 67 [2020-11-07 06:06:04,550 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:05,993 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 188 DAG size of output: 73 [2020-11-07 06:06:07,032 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 126 DAG size of output: 63 [2020-11-07 06:06:08,057 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2020-11-07 06:06:10,671 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:06:12,262 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-11-07 06:06:13,145 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:14,019 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:14,906 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:15,880 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 61 [2020-11-07 06:06:16,762 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:19,392 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:06:20,682 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-11-07 06:06:23,328 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:06:24,209 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:25,096 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-11-07 06:06:27,764 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:06:28,745 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 64 [2020-11-07 06:06:29,713 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-11-07 06:06:30,718 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-11-07 06:06:33,518 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-11-07 06:06:36,188 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-11-07 06:06:37,370 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-11-07 06:06:38,384 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2020-11-07 06:06:39,388 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-11-07 06:06:40,398 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 59