/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/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:25:03,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:25:03,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:25:03,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:25:03,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:25:03,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:25:03,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:25:03,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:25:03,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:25:03,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:25:03,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:25:03,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:25:03,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:25:03,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:25:03,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:25:03,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:25:03,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:25:03,958 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 05:25:03,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:25:03,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:25:03,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:25:03,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:25:03,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:25:03,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:25:03,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:25:03,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:25:03,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:25:03,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:25:03,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:25:03,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:25:03,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:25:03,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:25:03,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:25:03,990 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:25:03,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:25:03,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:25:03,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:25:03,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:25:03,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:25:03,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:25:03,991 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:25:04,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:25:04,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:25:04,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:25:04,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:25:04,396 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:25:04,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-11-07 05:25:04,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef310d408/90fc1ce2fe274ed28b64265551a31c1c/FLAG1222e7e25 [2020-11-07 05:25:05,370 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:25:05,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-11-07 05:25:05,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef310d408/90fc1ce2fe274ed28b64265551a31c1c/FLAG1222e7e25 [2020-11-07 05:25:05,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef310d408/90fc1ce2fe274ed28b64265551a31c1c [2020-11-07 05:25:05,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:25:05,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:25:05,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:25:05,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:25:05,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:25:05,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:25:05" (1/1) ... [2020-11-07 05:25:05,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef61d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:05, skipping insertion in model container [2020-11-07 05:25:05,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:25:05" (1/1) ... [2020-11-07 05:25:05,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:25:05,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:25:06,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:25:06,107 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:25:06,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:25:06,314 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:25:06,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06 WrapperNode [2020-11-07 05:25:06,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:25:06,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:25:06,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:25:06,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:25:06,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (1/1) ... [2020-11-07 05:25:06,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:25:06,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:25:06,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:25:06,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:25:06,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (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 05:25:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:25:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:25:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:25:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:25:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:25:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:25:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:25:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:25:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:25:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:25:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:25:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:25:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:25:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:25:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:25:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:25:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:25:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:25:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:25:08,134 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:25:08,134 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:25:08,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:25:08 BoogieIcfgContainer [2020-11-07 05:25:08,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:25:08,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:25:08,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:25:08,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:25:08,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:25:05" (1/3) ... [2020-11-07 05:25:08,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21139ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:25:08, skipping insertion in model container [2020-11-07 05:25:08,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:25:06" (2/3) ... [2020-11-07 05:25:08,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21139ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:25:08, skipping insertion in model container [2020-11-07 05:25:08,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:25:08" (3/3) ... [2020-11-07 05:25:08,146 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-11-07 05:25:08,162 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:25:08,166 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:25:08,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:25:08,203 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:25:08,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:25:08,204 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:25:08,204 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:25:08,204 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:25:08,204 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:25:08,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:25:08,205 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:25:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-11-07 05:25:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-07 05:25:08,256 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:08,257 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] [2020-11-07 05:25:08,258 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:08,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:08,264 INFO L82 PathProgramCache]: Analyzing trace with hash 183094496, now seen corresponding path program 1 times [2020-11-07 05:25:08,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:08,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798404089] [2020-11-07 05:25:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:08,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:09,011 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 05:25:09,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798404089] [2020-11-07 05:25:09,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:25:09,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:25:09,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941972367] [2020-11-07 05:25:09,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:25:09,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:09,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:25:09,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:25:09,046 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 5 states. [2020-11-07 05:25:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:11,755 INFO L93 Difference]: Finished difference Result 1272 states and 1672 transitions. [2020-11-07 05:25:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:25:11,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-11-07 05:25:11,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:11,781 INFO L225 Difference]: With dead ends: 1272 [2020-11-07 05:25:11,782 INFO L226 Difference]: Without dead ends: 694 [2020-11-07 05:25:11,792 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 05:25:11,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-11-07 05:25:12,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 612. [2020-11-07 05:25:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-11-07 05:25:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 734 transitions. [2020-11-07 05:25:12,035 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 734 transitions. Word has length 140 [2020-11-07 05:25:12,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:12,039 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 734 transitions. [2020-11-07 05:25:12,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:25:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 734 transitions. [2020-11-07 05:25:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-07 05:25:12,057 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:12,058 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-07 05:25:12,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:25:12,058 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash 706328866, now seen corresponding path program 1 times [2020-11-07 05:25:12,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:12,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524458777] [2020-11-07 05:25:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:25:12,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524458777] [2020-11-07 05:25:12,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:12,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 05:25:12,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544820234] [2020-11-07 05:25:12,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 05:25:12,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:12,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 05:25:12,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:25:12,876 INFO L87 Difference]: Start difference. First operand 612 states and 734 transitions. Second operand 11 states. [2020-11-07 05:25:19,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:19,049 INFO L93 Difference]: Finished difference Result 2545 states and 3432 transitions. [2020-11-07 05:25:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:25:19,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-11-07 05:25:19,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:19,069 INFO L225 Difference]: With dead ends: 2545 [2020-11-07 05:25:19,069 INFO L226 Difference]: Without dead ends: 1698 [2020-11-07 05:25:19,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:25:19,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2020-11-07 05:25:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1193. [2020-11-07 05:25:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-11-07 05:25:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1453 transitions. [2020-11-07 05:25:19,387 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1453 transitions. Word has length 161 [2020-11-07 05:25:19,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:19,388 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1453 transitions. [2020-11-07 05:25:19,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 05:25:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1453 transitions. [2020-11-07 05:25:19,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-07 05:25:19,396 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:19,397 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-07 05:25:19,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:25:19,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:19,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:19,410 INFO L82 PathProgramCache]: Analyzing trace with hash -173625564, now seen corresponding path program 1 times [2020-11-07 05:25:19,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:19,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447017212] [2020-11-07 05:25:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:19,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:19,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:19,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:25:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:25:19,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447017212] [2020-11-07 05:25:19,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:19,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:25:19,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669445743] [2020-11-07 05:25:19,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:25:19,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:19,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:25:19,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:25:19,836 INFO L87 Difference]: Start difference. First operand 1193 states and 1453 transitions. Second operand 10 states. [2020-11-07 05:25:20,215 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-11-07 05:25:20,470 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:25:21,062 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-11-07 05:25:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:26,036 INFO L93 Difference]: Finished difference Result 3263 states and 4083 transitions. [2020-11-07 05:25:26,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-07 05:25:26,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2020-11-07 05:25:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:26,058 INFO L225 Difference]: With dead ends: 3263 [2020-11-07 05:25:26,058 INFO L226 Difference]: Without dead ends: 2102 [2020-11-07 05:25:26,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2020-11-07 05:25:26,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2020-11-07 05:25:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1517. [2020-11-07 05:25:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2020-11-07 05:25:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1810 transitions. [2020-11-07 05:25:26,475 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1810 transitions. Word has length 187 [2020-11-07 05:25:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:26,475 INFO L481 AbstractCegarLoop]: Abstraction has 1517 states and 1810 transitions. [2020-11-07 05:25:26,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:25:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1810 transitions. [2020-11-07 05:25:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-07 05:25:26,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:26,487 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:26,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:25:26,488 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:26,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:26,489 INFO L82 PathProgramCache]: Analyzing trace with hash 889103381, now seen corresponding path program 1 times [2020-11-07 05:25:26,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:26,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805418267] [2020-11-07 05:25:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:25:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:25:26,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805418267] [2020-11-07 05:25:26,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:26,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:25:26,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137471965] [2020-11-07 05:25:26,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:25:26,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:26,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:25:26,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:25:26,919 INFO L87 Difference]: Start difference. First operand 1517 states and 1810 transitions. Second operand 8 states. [2020-11-07 05:25:27,160 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:25:28,077 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:25:31,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:31,020 INFO L93 Difference]: Finished difference Result 3823 states and 4584 transitions. [2020-11-07 05:25:31,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:25:31,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-11-07 05:25:31,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:31,042 INFO L225 Difference]: With dead ends: 3823 [2020-11-07 05:25:31,042 INFO L226 Difference]: Without dead ends: 2338 [2020-11-07 05:25:31,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:25:31,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2020-11-07 05:25:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2124. [2020-11-07 05:25:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2124 states. [2020-11-07 05:25:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2465 transitions. [2020-11-07 05:25:31,583 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2465 transitions. Word has length 200 [2020-11-07 05:25:31,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:31,584 INFO L481 AbstractCegarLoop]: Abstraction has 2124 states and 2465 transitions. [2020-11-07 05:25:31,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:25:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2465 transitions. [2020-11-07 05:25:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-07 05:25:31,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:31,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:25:31,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:25:31,594 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:31,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:31,595 INFO L82 PathProgramCache]: Analyzing trace with hash 304635794, now seen corresponding path program 1 times [2020-11-07 05:25:31,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:31,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932697582] [2020-11-07 05:25:31,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:31,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:31,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:25:31,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932697582] [2020-11-07 05:25:31,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:31,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-07 05:25:31,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959442941] [2020-11-07 05:25:31,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:25:31,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:31,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:25:31,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:25:31,938 INFO L87 Difference]: Start difference. First operand 2124 states and 2465 transitions. Second operand 5 states. [2020-11-07 05:25:34,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:34,360 INFO L93 Difference]: Finished difference Result 4825 states and 5801 transitions. [2020-11-07 05:25:34,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-07 05:25:34,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-11-07 05:25:34,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:34,382 INFO L225 Difference]: With dead ends: 4825 [2020-11-07 05:25:34,382 INFO L226 Difference]: Without dead ends: 2733 [2020-11-07 05:25:34,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:25:34,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2020-11-07 05:25:35,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2702. [2020-11-07 05:25:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2702 states. [2020-11-07 05:25:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3228 transitions. [2020-11-07 05:25:35,120 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3228 transitions. Word has length 212 [2020-11-07 05:25:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:35,121 INFO L481 AbstractCegarLoop]: Abstraction has 2702 states and 3228 transitions. [2020-11-07 05:25:35,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:25:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3228 transitions. [2020-11-07 05:25:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-07 05:25:35,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:35,135 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, 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] [2020-11-07 05:25:35,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:25:35,135 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:35,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:35,136 INFO L82 PathProgramCache]: Analyzing trace with hash 593742032, now seen corresponding path program 1 times [2020-11-07 05:25:35,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:35,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286836338] [2020-11-07 05:25:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:35,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:35,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:25:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-07 05:25:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 05:25:35,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286836338] [2020-11-07 05:25:35,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:35,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:25:35,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097799331] [2020-11-07 05:25:35,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:25:35,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:25:35,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:25:35,464 INFO L87 Difference]: Start difference. First operand 2702 states and 3228 transitions. Second operand 7 states. [2020-11-07 05:25:38,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:38,507 INFO L93 Difference]: Finished difference Result 6121 states and 7624 transitions. [2020-11-07 05:25:38,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:25:38,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-11-07 05:25:38,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:38,539 INFO L225 Difference]: With dead ends: 6121 [2020-11-07 05:25:38,539 INFO L226 Difference]: Without dead ends: 3451 [2020-11-07 05:25:38,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:25:38,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2020-11-07 05:25:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 3035. [2020-11-07 05:25:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-11-07 05:25:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 3648 transitions. [2020-11-07 05:25:39,370 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 3648 transitions. Word has length 226 [2020-11-07 05:25:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:39,371 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 3648 transitions. [2020-11-07 05:25:39,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:25:39,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 3648 transitions. [2020-11-07 05:25:39,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-07 05:25:39,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:39,387 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:25:39,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:25:39,387 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:39,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:39,388 INFO L82 PathProgramCache]: Analyzing trace with hash 66187030, now seen corresponding path program 1 times [2020-11-07 05:25:39,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:39,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264027601] [2020-11-07 05:25:39,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:39,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:39,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:25:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-07 05:25:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:39,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-11-07 05:25:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 131 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-07 05:25:39,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264027601] [2020-11-07 05:25:39,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:39,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:25:39,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019873580] [2020-11-07 05:25:39,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:25:39,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:39,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:25:39,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:25:39,696 INFO L87 Difference]: Start difference. First operand 3035 states and 3648 transitions. Second operand 8 states. [2020-11-07 05:25:40,061 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:25:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:44,389 INFO L93 Difference]: Finished difference Result 7470 states and 9014 transitions. [2020-11-07 05:25:44,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:25:44,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2020-11-07 05:25:44,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:44,417 INFO L225 Difference]: With dead ends: 7470 [2020-11-07 05:25:44,417 INFO L226 Difference]: Without dead ends: 3907 [2020-11-07 05:25:44,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:25:44,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2020-11-07 05:25:45,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3899. [2020-11-07 05:25:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3899 states. [2020-11-07 05:25:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 4479 transitions. [2020-11-07 05:25:45,276 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 4479 transitions. Word has length 255 [2020-11-07 05:25:45,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:45,277 INFO L481 AbstractCegarLoop]: Abstraction has 3899 states and 4479 transitions. [2020-11-07 05:25:45,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:25:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 4479 transitions. [2020-11-07 05:25:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-11-07 05:25:45,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:45,292 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:25:45,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:25:45,292 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:45,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:45,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1162845870, now seen corresponding path program 1 times [2020-11-07 05:25:45,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:45,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296257011] [2020-11-07 05:25:45,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:45,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:45,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:25:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:45,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-11-07 05:25:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-07 05:25:45,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296257011] [2020-11-07 05:25:45,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:45,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 05:25:45,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619288815] [2020-11-07 05:25:45,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 05:25:45,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:45,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 05:25:45,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:25:45,681 INFO L87 Difference]: Start difference. First operand 3899 states and 4479 transitions. Second operand 11 states. [2020-11-07 05:25:46,052 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-11-07 05:25:46,989 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:25:48,241 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-11-07 05:25:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:25:52,441 INFO L93 Difference]: Finished difference Result 10247 states and 11906 transitions. [2020-11-07 05:25:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 05:25:52,441 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 256 [2020-11-07 05:25:52,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:25:52,476 INFO L225 Difference]: With dead ends: 10247 [2020-11-07 05:25:52,476 INFO L226 Difference]: Without dead ends: 6529 [2020-11-07 05:25:52,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 05:25:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2020-11-07 05:25:53,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 4882. [2020-11-07 05:25:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4882 states. [2020-11-07 05:25:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 5449 transitions. [2020-11-07 05:25:53,602 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 5449 transitions. Word has length 256 [2020-11-07 05:25:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:25:53,602 INFO L481 AbstractCegarLoop]: Abstraction has 4882 states and 5449 transitions. [2020-11-07 05:25:53,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 05:25:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 5449 transitions. [2020-11-07 05:25:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-11-07 05:25:53,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:25:53,678 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:53,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:25:53,679 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:25:53,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:25:53,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1344443046, now seen corresponding path program 1 times [2020-11-07 05:25:53,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:25:53,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502928936] [2020-11-07 05:25:53,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:25:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:25:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:25:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:53,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:25:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:53,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-11-07 05:25:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 05:25:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:25:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 153 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-07 05:25:54,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502928936] [2020-11-07 05:25:54,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:25:54,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:25:54,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315533132] [2020-11-07 05:25:54,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:25:54,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:25:54,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:25:54,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:25:54,096 INFO L87 Difference]: Start difference. First operand 4882 states and 5449 transitions. Second operand 10 states. [2020-11-07 05:25:54,446 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-11-07 05:25:57,046 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:26:01,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:26:01,307 INFO L93 Difference]: Finished difference Result 12103 states and 13564 transitions. [2020-11-07 05:26:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 05:26:01,308 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 281 [2020-11-07 05:26:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:26:01,350 INFO L225 Difference]: With dead ends: 12103 [2020-11-07 05:26:01,350 INFO L226 Difference]: Without dead ends: 7253 [2020-11-07 05:26:01,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 05:26:01,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7253 states. [2020-11-07 05:26:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7253 to 6340. [2020-11-07 05:26:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6340 states. [2020-11-07 05:26:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6340 states to 6340 states and 7071 transitions. [2020-11-07 05:26:02,764 INFO L78 Accepts]: Start accepts. Automaton has 6340 states and 7071 transitions. Word has length 281 [2020-11-07 05:26:02,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:26:02,764 INFO L481 AbstractCegarLoop]: Abstraction has 6340 states and 7071 transitions. [2020-11-07 05:26:02,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:26:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 6340 states and 7071 transitions. [2020-11-07 05:26:02,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-11-07 05:26:02,781 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:26:02,782 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-11-07 05:26:02,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:26:02,782 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:26:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:26:02,783 INFO L82 PathProgramCache]: Analyzing trace with hash -783007269, now seen corresponding path program 1 times [2020-11-07 05:26:02,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:26:02,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915534832] [2020-11-07 05:26:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:26:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:02,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:26:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:02,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:26:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:03,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:26:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:03,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-07 05:26:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 05:26:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 178 proven. 28 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-11-07 05:26:03,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915534832] [2020-11-07 05:26:03,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:26:03,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:26:03,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682947467] [2020-11-07 05:26:03,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:26:03,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:26:03,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:26:03,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:26:03,191 INFO L87 Difference]: Start difference. First operand 6340 states and 7071 transitions. Second operand 10 states. [2020-11-07 05:26:04,588 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-11-07 05:26:07,644 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:26:08,061 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:26:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:26:10,127 INFO L93 Difference]: Finished difference Result 13977 states and 15655 transitions. [2020-11-07 05:26:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-07 05:26:10,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 299 [2020-11-07 05:26:10,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:26:10,166 INFO L225 Difference]: With dead ends: 13977 [2020-11-07 05:26:10,167 INFO L226 Difference]: Without dead ends: 7520 [2020-11-07 05:26:10,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-11-07 05:26:10,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7520 states. [2020-11-07 05:26:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7520 to 7279. [2020-11-07 05:26:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7279 states. [2020-11-07 05:26:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7279 states to 7279 states and 7873 transitions. [2020-11-07 05:26:12,173 INFO L78 Accepts]: Start accepts. Automaton has 7279 states and 7873 transitions. Word has length 299 [2020-11-07 05:26:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:26:12,173 INFO L481 AbstractCegarLoop]: Abstraction has 7279 states and 7873 transitions. [2020-11-07 05:26:12,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:26:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7279 states and 7873 transitions. [2020-11-07 05:26:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-11-07 05:26:12,187 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:26:12,187 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:12,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:26:12,188 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:26:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:26:12,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1299117741, now seen corresponding path program 1 times [2020-11-07 05:26:12,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:26:12,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528639856] [2020-11-07 05:26:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:26:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:26:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:12,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:26:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:12,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:26:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:12,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:26:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:12,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 05:26:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 223 proven. 18 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-07 05:26:12,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528639856] [2020-11-07 05:26:12,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:26:12,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:26:12,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055863031] [2020-11-07 05:26:12,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:26:12,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:26:12,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:26:12,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:26:12,664 INFO L87 Difference]: Start difference. First operand 7279 states and 7873 transitions. Second operand 8 states. [2020-11-07 05:26:14,113 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:26:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:26:17,158 INFO L93 Difference]: Finished difference Result 14736 states and 15937 transitions. [2020-11-07 05:26:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:26:17,161 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 339 [2020-11-07 05:26:17,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:26:17,195 INFO L225 Difference]: With dead ends: 14736 [2020-11-07 05:26:17,195 INFO L226 Difference]: Without dead ends: 7489 [2020-11-07 05:26:17,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:26:17,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2020-11-07 05:26:18,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 7289. [2020-11-07 05:26:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7289 states. [2020-11-07 05:26:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 7866 transitions. [2020-11-07 05:26:18,946 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 7866 transitions. Word has length 339 [2020-11-07 05:26:18,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:26:18,946 INFO L481 AbstractCegarLoop]: Abstraction has 7289 states and 7866 transitions. [2020-11-07 05:26:18,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:26:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 7866 transitions. [2020-11-07 05:26:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-11-07 05:26:18,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:26:18,961 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 05:26:18,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 05:26:18,962 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:26:18,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:26:18,962 INFO L82 PathProgramCache]: Analyzing trace with hash 46843410, now seen corresponding path program 1 times [2020-11-07 05:26:18,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:26:18,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857165420] [2020-11-07 05:26:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:26:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:26:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:26:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:26:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:26:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 05:26:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 05:26:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 210 proven. 40 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2020-11-07 05:26:19,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857165420] [2020-11-07 05:26:19,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:26:19,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:26:19,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007474423] [2020-11-07 05:26:19,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:26:19,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:26:19,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:26:19,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:26:19,670 INFO L87 Difference]: Start difference. First operand 7289 states and 7866 transitions. Second operand 9 states. [2020-11-07 05:26:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:26:24,349 INFO L93 Difference]: Finished difference Result 15406 states and 16633 transitions. [2020-11-07 05:26:24,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 05:26:24,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 360 [2020-11-07 05:26:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:26:24,388 INFO L225 Difference]: With dead ends: 15406 [2020-11-07 05:26:24,388 INFO L226 Difference]: Without dead ends: 6613 [2020-11-07 05:26:24,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:26:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6613 states. [2020-11-07 05:26:26,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6613 to 6457. [2020-11-07 05:26:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6457 states. [2020-11-07 05:26:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6457 states to 6457 states and 6905 transitions. [2020-11-07 05:26:26,039 INFO L78 Accepts]: Start accepts. Automaton has 6457 states and 6905 transitions. Word has length 360 [2020-11-07 05:26:26,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:26:26,040 INFO L481 AbstractCegarLoop]: Abstraction has 6457 states and 6905 transitions. [2020-11-07 05:26:26,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:26:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6457 states and 6905 transitions. [2020-11-07 05:26:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-11-07 05:26:26,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:26:26,053 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-07 05:26:26,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 05:26:26,054 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:26:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:26:26,054 INFO L82 PathProgramCache]: Analyzing trace with hash -767716814, now seen corresponding path program 1 times [2020-11-07 05:26:26,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:26:26,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132156915] [2020-11-07 05:26:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:26:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:26:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:26:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:26:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:26:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 05:26:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 05:26:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 05:26:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:26:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 286 proven. 48 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-11-07 05:26:26,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132156915] [2020-11-07 05:26:26,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:26:26,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-07 05:26:26,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148850776] [2020-11-07 05:26:26,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 05:26:26,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:26:26,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 05:26:26,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-11-07 05:26:26,886 INFO L87 Difference]: Start difference. First operand 6457 states and 6905 transitions. Second operand 14 states. [2020-11-07 05:26:28,941 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-07 05:26:29,861 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-07 05:26:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:26:31,338 INFO L93 Difference]: Finished difference Result 10324 states and 11058 transitions. [2020-11-07 05:26:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 05:26:31,342 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 397 [2020-11-07 05:26:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:26:31,348 INFO L225 Difference]: With dead ends: 10324 [2020-11-07 05:26:31,348 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:26:31,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:26:31,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:26:31,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:26:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:26:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:26:31,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 397 [2020-11-07 05:26:31,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:26:31,367 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:26:31,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 05:26:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:26:31,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:26:31,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 05:26:31,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:26:33,050 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2020-11-07 05:26:33,452 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2020-11-07 05:26:56,293 WARN L194 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:27:20,478 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:27:21,661 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:27:21,903 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:27:36,190 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:28:42,250 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:28:43,763 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 157 [2020-11-07 05:28:45,660 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 157 [2020-11-07 05:29:22,708 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:29:22,949 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:29:23,188 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:29:25,119 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 256 [2020-11-07 05:29:34,093 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:29:36,428 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:29:38,705 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:29:41,018 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:29:41,945 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:29:42,870 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:29:43,792 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:29:46,127 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:29:47,048 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:29:49,357 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:29:50,426 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:29:51,517 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:29:52,245 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 73 [2020-11-07 05:29:53,232 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 78 [2020-11-07 05:29:54,204 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:29:55,466 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 205 DAG size of output: 82 [2020-11-07 05:29:57,836 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:29:59,205 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 206 DAG size of output: 79 [2020-11-07 05:29:59,999 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 74 [2020-11-07 05:30:02,399 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:04,800 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:05,639 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:30:06,386 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 73 [2020-11-07 05:30:07,505 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 153 DAG size of output: 75 [2020-11-07 05:30:08,697 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 211 DAG size of output: 79 [2020-11-07 05:30:10,986 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:30:11,688 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 71 [2020-11-07 05:30:12,650 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:30:13,667 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-11-07 05:30:14,510 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 75 [2020-11-07 05:30:15,358 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:30:16,152 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2020-11-07 05:30:18,562 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:19,658 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:30:22,089 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:22,848 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 73 [2020-11-07 05:30:23,840 WARN L194 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 75 [2020-11-07 05:30:24,613 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 77 [2020-11-07 05:30:27,006 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:27,731 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2020-11-07 05:30:28,590 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:30:29,591 WARN L194 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 71 [2020-11-07 05:30:30,725 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:30:32,059 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 169 DAG size of output: 88 [2020-11-07 05:30:32,800 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2020-11-07 05:30:33,543 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2020-11-07 05:30:35,964 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:36,692 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 72 [2020-11-07 05:30:37,950 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 211 DAG size of output: 78 [2020-11-07 05:30:38,806 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 81 [2020-11-07 05:30:39,852 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 152 DAG size of output: 70 [2020-11-07 05:30:40,686 WARN L194 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 70 [2020-11-07 05:30:41,790 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 214 DAG size of output: 74 [2020-11-07 05:30:42,489 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 73 [2020-11-07 05:30:43,602 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:30:44,380 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2020-11-07 05:30:45,577 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-11-07 05:30:48,036 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:30:49,083 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 159 DAG size of output: 76 [2020-11-07 05:30:50,544 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-11-07 05:30:51,509 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:30:52,216 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 73 [2020-11-07 05:30:54,540 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:30:55,234 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 71 [2020-11-07 05:30:56,208 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:30:58,592 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:31:00,917 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:31:03,322 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:31:04,494 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:31:05,451 WARN L194 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:31:06,405 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:31:08,800 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:31:11,268 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:31:11,982 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 71 [2020-11-07 05:31:13,229 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 168 DAG size of output: 81 [2020-11-07 05:31:15,691 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:31:16,496 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-11-07 05:31:17,519 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 213 DAG size of output: 74 [2020-11-07 05:31:18,548 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 165 DAG size of output: 78 [2020-11-07 05:31:19,574 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:31:20,861 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 205 DAG size of output: 83 [2020-11-07 05:31:22,087 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 213 DAG size of output: 74 [2020-11-07 05:31:23,568 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 230 DAG size of output: 81 [2020-11-07 05:31:24,569 WARN L194 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 71 [2020-11-07 05:31:25,398 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:31:26,455 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:31:28,933 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:31:29,833 WARN L194 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 83 [2020-11-07 05:31:30,882 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:31:31,608 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 73 [2020-11-07 05:31:32,454 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 82 [2020-11-07 05:31:33,244 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 77 [2020-11-07 05:31:34,422 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:31:35,141 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2020-11-07 05:31:37,507 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:31:39,998 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:31:41,178 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:31:43,612 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:31:46,001 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:31:48,437 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:31:49,629 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:31:50,846 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-11-07 05:31:52,141 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 167 DAG size of output: 83 [2020-11-07 05:31:54,651 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:31:55,454 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 74 [2020-11-07 05:31:56,187 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 74 [2020-11-07 05:31:57,256 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 164 DAG size of output: 79 [2020-11-07 05:31:58,548 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 221 DAG size of output: 77 [2020-11-07 05:31:59,388 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 74 [2020-11-07 05:32:00,133 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 72 [2020-11-07 05:32:01,296 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 180 DAG size of output: 80 [2020-11-07 05:32:02,349 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:32:03,154 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-11-07 05:32:04,165 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 167 DAG size of output: 75 [2020-11-07 05:32:06,680 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:32:07,833 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:32:10,350 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:32:11,560 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2020-11-07 05:32:12,555 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:32:13,532 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:32:15,992 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:32:17,166 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 206 DAG size of output: 81 [2020-11-07 05:32:18,014 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2020-11-07 05:32:20,536 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:32:21,412 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 75 [2020-11-07 05:32:22,471 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:32:23,509 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:32:24,482 WARN L194 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-11-07 05:32:25,593 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-11-07 05:32:26,707 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2020-11-07 05:32:29,240 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:32:30,051 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 74 [2020-11-07 05:32:31,358 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:32:32,656 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-11-07 05:32:33,772 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-11-07 05:32:34,886 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 163 DAG size of output: 79 [2020-11-07 05:32:36,049 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:32:37,178 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2020-11-07 05:32:38,274 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-11-07 05:32:39,250 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 79 [2020-11-07 05:32:40,443 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 176 DAG size of output: 82 [2020-11-07 05:32:41,773 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 221 DAG size of output: 84 [2020-11-07 05:32:42,811 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 157 DAG size of output: 72 [2020-11-07 05:32:43,641 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 80 [2020-11-07 05:32:44,504 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 76 [2020-11-07 05:32:45,396 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 78 [2020-11-07 05:32:46,482 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:32:47,708 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:32:49,241 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-11-07 05:32:51,734 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:32:54,235 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:32:55,774 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-11-07 05:32:57,323 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-11-07 05:32:58,314 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:32:59,116 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:33:01,683 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:33:02,812 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 162 DAG size of output: 77 [2020-11-07 05:33:03,596 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2020-11-07 05:33:04,840 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 160 DAG size of output: 78 [2020-11-07 05:33:07,293 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:33:09,744 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:33:10,800 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-11-07 05:33:11,884 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:33:14,355 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:33:15,354 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:33:16,053 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 60 [2020-11-07 05:33:17,055 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:33:17,756 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 60 [2020-11-07 05:33:20,291 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:33:21,312 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:33:22,320 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:33:24,865 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:33:25,875 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:33:28,430 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:33:29,445 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:33:30,671 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-11-07 05:33:31,834 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 162 DAG size of output: 77 [2020-11-07 05:33:32,953 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 153 DAG size of output: 73 [2020-11-07 05:33:35,569 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:33:36,648 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-11-07 05:33:39,270 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:33:40,079 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2020-11-07 05:33:40,908 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-11-07 05:33:42,171 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:33:44,680 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:33:45,768 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:33:48,256 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:33:49,488 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 156 DAG size of output: 74 [2020-11-07 05:33:52,050 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:33:53,319 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:33:54,936 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 232 DAG size of output: 73 [2020-11-07 05:33:55,853 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 76 [2020-11-07 05:33:56,782 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 75 [2020-11-07 05:33:57,893 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2020-11-07 05:33:58,750 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 80 [2020-11-07 05:34:01,387 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:04,025 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:05,190 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 161 DAG size of output: 77 [2020-11-07 05:34:06,033 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 78 [2020-11-07 05:34:07,121 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:34:07,930 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 78 [2020-11-07 05:34:09,173 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-11-07 05:34:10,292 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-11-07 05:34:11,298 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 79 [2020-11-07 05:34:12,454 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 163 DAG size of output: 78 [2020-11-07 05:34:13,892 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:34:14,840 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:34:16,075 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-11-07 05:34:16,959 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 82 [2020-11-07 05:34:19,607 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:20,894 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 176 DAG size of output: 83 [2020-11-07 05:34:21,800 WARN L194 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 78 [2020-11-07 05:34:23,006 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 154 DAG size of output: 72 [2020-11-07 05:34:24,144 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 166 DAG size of output: 75 [2020-11-07 05:34:26,796 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:27,687 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 74 [2020-11-07 05:34:30,349 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:31,843 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 169 DAG size of output: 80 [2020-11-07 05:34:32,767 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 75 [2020-11-07 05:34:33,951 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:34:36,631 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:37,546 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 76 [2020-11-07 05:34:38,740 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 232 DAG size of output: 81 [2020-11-07 05:34:39,686 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:34:40,564 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2020-11-07 05:34:42,177 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 209 DAG size of output: 82 [2020-11-07 05:34:42,977 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2020-11-07 05:34:45,658 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:46,768 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:34:49,481 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:34:50,383 WARN L194 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2020-11-07 05:34:51,600 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 154 DAG size of output: 72 [2020-11-07 05:34:52,490 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:34:53,439 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:34:56,052 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:34:57,356 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:34:58,402 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:34:59,442 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:35:02,080 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:35:03,126 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:35:05,733 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:35:08,426 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:09,546 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:35:12,249 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:13,175 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 82 [2020-11-07 05:35:14,377 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2020-11-07 05:35:17,094 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:18,635 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 205 DAG size of output: 80 [2020-11-07 05:35:19,586 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:35:20,438 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 73 [2020-11-07 05:35:23,174 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:24,030 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-11-07 05:35:26,760 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:27,814 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:35:30,570 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:35:33,366 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:35:34,809 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-11-07 05:35:35,804 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2020-11-07 05:35:36,722 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-11-07 05:35:39,621 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:40,616 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 73 [2020-11-07 05:35:43,472 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:44,730 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:35:46,220 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 210 DAG size of output: 78 [2020-11-07 05:35:49,099 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:50,313 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-11-07 05:35:51,678 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 173 DAG size of output: 80 [2020-11-07 05:35:53,176 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 205 DAG size of output: 83 [2020-11-07 05:35:54,040 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2020-11-07 05:35:56,889 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:35:59,666 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:00,815 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 05:36:01,667 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 74 [2020-11-07 05:36:04,324 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:36:07,118 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:08,831 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 209 DAG size of output: 82 [2020-11-07 05:36:10,152 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 225 DAG size of output: 82 [2020-11-07 05:36:12,984 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:13,943 WARN L194 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 80 [2020-11-07 05:36:15,397 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 188 DAG size of output: 85 [2020-11-07 05:36:16,829 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-11-07 05:36:17,801 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 75 [2020-11-07 05:36:20,626 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:23,415 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:24,631 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 216 DAG size of output: 81 [2020-11-07 05:36:26,001 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 153 DAG size of output: 75 [2020-11-07 05:36:28,746 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:29,970 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 163 DAG size of output: 78 [2020-11-07 05:36:32,788 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:33,628 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 76 [2020-11-07 05:36:34,735 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-11-07 05:36:35,953 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 165 DAG size of output: 79 [2020-11-07 05:36:36,776 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-11-07 05:36:37,959 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 156 DAG size of output: 74 [2020-11-07 05:36:40,840 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:42,086 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:36:43,543 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 216 DAG size of output: 80 [2020-11-07 05:36:45,137 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 166 DAG size of output: 77 [2020-11-07 05:36:46,409 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-11-07 05:36:47,264 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 73 [2020-11-07 05:36:50,288 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:53,323 WARN L194 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:36:54,806 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-11-07 05:36:56,358 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 210 DAG size of output: 78 [2020-11-07 05:36:57,916 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 211 DAG size of output: 76 [2020-11-07 05:36:59,254 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 204 DAG size of output: 77 [2020-11-07 05:37:02,046 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:37:02,981 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-11-07 05:37:03,894 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 71 [2020-11-07 05:37:06,848 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:37:06,998 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2020-11-07 05:37:09,963 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:37:12,864 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:37:13,997 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 211 DAG size of output: 76 [2020-11-07 05:37:15,174 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 216 DAG size of output: 81 [2020-11-07 05:37:16,628 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 211 DAG size of output: 79 [2020-11-07 05:37:17,622 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 81 [2020-11-07 05:37:18,877 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 167 DAG size of output: 78 [2020-11-07 05:37:19,728 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 72 [2020-11-07 05:37:20,678 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 78 [2020-11-07 05:37:21,973 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 206 DAG size of output: 81 [2020-11-07 05:37:23,209 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 167 DAG size of output: 77 [2020-11-07 05:37:26,103 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:37:28,898 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 266 DAG size of output: 89 [2020-11-07 05:37:30,208 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 163 DAG size of output: 78 [2020-11-07 05:37:31,664 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 208 DAG size of output: 82 [2020-11-07 05:37:32,753 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:37:35,490 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 262 DAG size of output: 87 [2020-11-07 05:37:36,963 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2020-11-07 05:37:38,314 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:37:39,704 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:37:41,078 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 199 DAG size of output: 77 [2020-11-07 05:37:43,855 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:37:45,044 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 200 DAG size of output: 74 [2020-11-07 05:37:48,024 WARN L194 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 05:37:50,898 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 261 DAG size of output: 88