/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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:09:55,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:09:55,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:09:55,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:09:55,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:09:55,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:09:55,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:09:55,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:09:55,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:09:55,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:09:55,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:09:55,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:09:55,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:09:55,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:09:55,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:09:55,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:09:55,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:09:55,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:09:55,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:09:55,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:09:55,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:09:55,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:09:55,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:09:55,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:09:55,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:09:55,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:09:55,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:09:55,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:09:55,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:09:55,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:09:55,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:09:55,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:09:55,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:09:55,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:09:55,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:09:55,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:09:55,298 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:09:55,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:09:55,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:09:55,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:09:55,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:09:55,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:09:55,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:09:55,299 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:09:55,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:09:55,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:09:55,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:09:55,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:09:55,902 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:09:55,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-10-24 01:09:56,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fffb780f/d7f67f68a8a340c3a4d794a42b642358/FLAG46949bd91 [2020-10-24 01:09:56,839 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:09:56,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-10-24 01:09:56,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fffb780f/d7f67f68a8a340c3a4d794a42b642358/FLAG46949bd91 [2020-10-24 01:09:57,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fffb780f/d7f67f68a8a340c3a4d794a42b642358 [2020-10-24 01:09:57,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:09:57,042 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:09:57,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:09:57,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:09:57,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:09:57,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724938ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57, skipping insertion in model container [2020-10-24 01:09:57,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:09:57,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:09:57,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:09:57,633 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:09:57,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:09:57,856 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:09:57,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57 WrapperNode [2020-10-24 01:09:57,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:09:57,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:09:57,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:09:57,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:09:57,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... [2020-10-24 01:09:57,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:09:57,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:09:57,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:09:57,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:09:57,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:09:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:09:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:09:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:09:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:09:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:09:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:09:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:09:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:09:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:09:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:09:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:09:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:09:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:09:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:09:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:09:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:09:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:09:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:09:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:09:59,839 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:09:59,840 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:09:59,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:09:59 BoogieIcfgContainer [2020-10-24 01:09:59,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:09:59,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:09:59,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:09:59,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:09:59,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:09:57" (1/3) ... [2020-10-24 01:09:59,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ddbd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:09:59, skipping insertion in model container [2020-10-24 01:09:59,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:57" (2/3) ... [2020-10-24 01:09:59,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ddbd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:09:59, skipping insertion in model container [2020-10-24 01:09:59,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:09:59" (3/3) ... [2020-10-24 01:09:59,853 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-10-24 01:09:59,865 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:09:59,872 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:09:59,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:09:59,915 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:09:59,915 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:09:59,916 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:09:59,916 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:09:59,916 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:09:59,916 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:09:59,916 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:09:59,916 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:09:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-10-24 01:09:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-24 01:09:59,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:09:59,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:09:59,978 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:09:59,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:09:59,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1706107704, now seen corresponding path program 1 times [2020-10-24 01:10:00,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:00,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626741164] [2020-10-24 01:10:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:00,752 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:10:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:10:00,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626741164] [2020-10-24 01:10:00,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:10:00,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:10:00,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313232299] [2020-10-24 01:10:00,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:10:00,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:00,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:10:00,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:10:00,925 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 5 states. [2020-10-24 01:10:01,233 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:02,275 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:05,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:05,291 INFO L93 Difference]: Finished difference Result 1373 states and 1909 transitions. [2020-10-24 01:10:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 01:10:05,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-24 01:10:05,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:05,340 INFO L225 Difference]: With dead ends: 1373 [2020-10-24 01:10:05,340 INFO L226 Difference]: Without dead ends: 790 [2020-10-24 01:10:05,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:05,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-24 01:10:05,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 755. [2020-10-24 01:10:05,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2020-10-24 01:10:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 923 transitions. [2020-10-24 01:10:05,591 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 923 transitions. Word has length 150 [2020-10-24 01:10:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:05,592 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 923 transitions. [2020-10-24 01:10:05,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:10:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 923 transitions. [2020-10-24 01:10:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-24 01:10:05,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:05,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:05,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:10:05,603 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:05,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:05,604 INFO L82 PathProgramCache]: Analyzing trace with hash 41803402, now seen corresponding path program 1 times [2020-10-24 01:10:05,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:05,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238533170] [2020-10-24 01:10:05,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:06,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:06,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:10:06,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238533170] [2020-10-24 01:10:06,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:06,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 01:10:06,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898390270] [2020-10-24 01:10:06,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 01:10:06,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:06,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 01:10:06,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:10:06,537 INFO L87 Difference]: Start difference. First operand 755 states and 923 transitions. Second operand 11 states. [2020-10-24 01:10:06,761 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:07,081 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:07,270 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-24 01:10:07,452 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:07,881 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-24 01:10:08,108 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:12,954 INFO L93 Difference]: Finished difference Result 2962 states and 3993 transitions. [2020-10-24 01:10:12,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:10:12,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-10-24 01:10:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:12,972 INFO L225 Difference]: With dead ends: 2962 [2020-10-24 01:10:12,972 INFO L226 Difference]: Without dead ends: 1972 [2020-10-24 01:10:12,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:10:12,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2020-10-24 01:10:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1477. [2020-10-24 01:10:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2020-10-24 01:10:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1797 transitions. [2020-10-24 01:10:13,384 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1797 transitions. Word has length 171 [2020-10-24 01:10:13,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:13,384 INFO L481 AbstractCegarLoop]: Abstraction has 1477 states and 1797 transitions. [2020-10-24 01:10:13,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 01:10:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1797 transitions. [2020-10-24 01:10:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-24 01:10:13,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:13,394 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:13,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:10:13,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:13,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:13,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1773309981, now seen corresponding path program 1 times [2020-10-24 01:10:13,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:13,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554866343] [2020-10-24 01:10:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-24 01:10:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-24 01:10:13,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554866343] [2020-10-24 01:10:13,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:13,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:13,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624212095] [2020-10-24 01:10:13,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:13,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:13,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:13,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:13,752 INFO L87 Difference]: Start difference. First operand 1477 states and 1797 transitions. Second operand 7 states. [2020-10-24 01:10:14,003 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:17,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:17,218 INFO L93 Difference]: Finished difference Result 3708 states and 4612 transitions. [2020-10-24 01:10:17,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:10:17,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-10-24 01:10:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:17,245 INFO L225 Difference]: With dead ends: 3708 [2020-10-24 01:10:17,245 INFO L226 Difference]: Without dead ends: 2263 [2020-10-24 01:10:17,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:10:17,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-10-24 01:10:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1929. [2020-10-24 01:10:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1929 states. [2020-10-24 01:10:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2301 transitions. [2020-10-24 01:10:17,749 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2301 transitions. Word has length 226 [2020-10-24 01:10:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:17,749 INFO L481 AbstractCegarLoop]: Abstraction has 1929 states and 2301 transitions. [2020-10-24 01:10:17,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2301 transitions. [2020-10-24 01:10:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-24 01:10:17,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:17,760 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:17,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:10:17,761 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 276161411, now seen corresponding path program 1 times [2020-10-24 01:10:17,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:17,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736968109] [2020-10-24 01:10:17,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-24 01:10:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-24 01:10:18,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736968109] [2020-10-24 01:10:18,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:18,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:18,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079271867] [2020-10-24 01:10:18,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:18,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:18,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:18,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:18,201 INFO L87 Difference]: Start difference. First operand 1929 states and 2301 transitions. Second operand 7 states. [2020-10-24 01:10:18,445 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:21,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:21,799 INFO L93 Difference]: Finished difference Result 4251 states and 5319 transitions. [2020-10-24 01:10:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:10:21,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-10-24 01:10:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:21,828 INFO L225 Difference]: With dead ends: 4251 [2020-10-24 01:10:21,828 INFO L226 Difference]: Without dead ends: 2495 [2020-10-24 01:10:21,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:10:21,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2020-10-24 01:10:22,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2264. [2020-10-24 01:10:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-10-24 01:10:22,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 2719 transitions. [2020-10-24 01:10:22,446 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 2719 transitions. Word has length 237 [2020-10-24 01:10:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:22,447 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 2719 transitions. [2020-10-24 01:10:22,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2719 transitions. [2020-10-24 01:10:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-24 01:10:22,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:22,460 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:22,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:10:22,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:22,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:22,461 INFO L82 PathProgramCache]: Analyzing trace with hash 462660760, now seen corresponding path program 1 times [2020-10-24 01:10:22,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:22,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127785233] [2020-10-24 01:10:22,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-24 01:10:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-24 01:10:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 124 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-24 01:10:22,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127785233] [2020-10-24 01:10:22,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:22,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:10:22,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906360934] [2020-10-24 01:10:22,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:10:22,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:22,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:10:22,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:10:22,886 INFO L87 Difference]: Start difference. First operand 2264 states and 2719 transitions. Second operand 10 states. [2020-10-24 01:10:23,306 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-10-24 01:10:23,866 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:24,319 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:24,766 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-24 01:10:25,946 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:26,341 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:27,228 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:31,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:31,075 INFO L93 Difference]: Finished difference Result 7411 states and 9257 transitions. [2020-10-24 01:10:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 01:10:31,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 262 [2020-10-24 01:10:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:31,119 INFO L225 Difference]: With dead ends: 7411 [2020-10-24 01:10:31,122 INFO L226 Difference]: Without dead ends: 5320 [2020-10-24 01:10:31,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-10-24 01:10:31,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2020-10-24 01:10:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 4281. [2020-10-24 01:10:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-10-24 01:10:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5010 transitions. [2020-10-24 01:10:32,065 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5010 transitions. Word has length 262 [2020-10-24 01:10:32,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:32,066 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 5010 transitions. [2020-10-24 01:10:32,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:10:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5010 transitions. [2020-10-24 01:10:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-24 01:10:32,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:32,089 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:32,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:10:32,089 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:32,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:32,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1082389063, now seen corresponding path program 1 times [2020-10-24 01:10:32,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:32,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318260293] [2020-10-24 01:10:32,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-24 01:10:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-24 01:10:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-24 01:10:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 32 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-24 01:10:32,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318260293] [2020-10-24 01:10:32,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:32,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:32,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8493883] [2020-10-24 01:10:32,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:32,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:32,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:32,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:32,558 INFO L87 Difference]: Start difference. First operand 4281 states and 5010 transitions. Second operand 8 states. [2020-10-24 01:10:32,965 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:37,929 INFO L93 Difference]: Finished difference Result 9943 states and 11698 transitions. [2020-10-24 01:10:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:10:37,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 325 [2020-10-24 01:10:37,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:37,965 INFO L225 Difference]: With dead ends: 9943 [2020-10-24 01:10:37,965 INFO L226 Difference]: Without dead ends: 4981 [2020-10-24 01:10:37,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:10:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4981 states. [2020-10-24 01:10:38,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4981 to 3850. [2020-10-24 01:10:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3850 states. [2020-10-24 01:10:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 4327 transitions. [2020-10-24 01:10:38,976 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 4327 transitions. Word has length 325 [2020-10-24 01:10:38,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:38,977 INFO L481 AbstractCegarLoop]: Abstraction has 3850 states and 4327 transitions. [2020-10-24 01:10:38,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 4327 transitions. [2020-10-24 01:10:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-24 01:10:38,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:38,996 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:38,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:10:38,997 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:38,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:38,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2092909594, now seen corresponding path program 1 times [2020-10-24 01:10:38,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:38,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838287576] [2020-10-24 01:10:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-24 01:10:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 01:10:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-24 01:10:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 180 proven. 61 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-24 01:10:39,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838287576] [2020-10-24 01:10:39,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:39,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:39,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040519518] [2020-10-24 01:10:39,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:39,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:39,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:39,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:39,434 INFO L87 Difference]: Start difference. First operand 3850 states and 4327 transitions. Second operand 8 states. [2020-10-24 01:10:39,654 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:40,311 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:41,389 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:43,893 INFO L93 Difference]: Finished difference Result 7936 states and 8930 transitions. [2020-10-24 01:10:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:10:43,894 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2020-10-24 01:10:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:43,922 INFO L225 Difference]: With dead ends: 7936 [2020-10-24 01:10:43,922 INFO L226 Difference]: Without dead ends: 4259 [2020-10-24 01:10:43,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-24 01:10:43,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4259 states. [2020-10-24 01:10:44,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4259 to 4180. [2020-10-24 01:10:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4180 states. [2020-10-24 01:10:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4180 states to 4180 states and 4667 transitions. [2020-10-24 01:10:44,890 INFO L78 Accepts]: Start accepts. Automaton has 4180 states and 4667 transitions. Word has length 336 [2020-10-24 01:10:44,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:44,891 INFO L481 AbstractCegarLoop]: Abstraction has 4180 states and 4667 transitions. [2020-10-24 01:10:44,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4180 states and 4667 transitions. [2020-10-24 01:10:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-24 01:10:44,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:44,909 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:44,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:10:44,909 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:44,910 INFO L82 PathProgramCache]: Analyzing trace with hash 996790462, now seen corresponding path program 1 times [2020-10-24 01:10:44,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:44,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328283510] [2020-10-24 01:10:44,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:10:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-24 01:10:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-24 01:10:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-24 01:10:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 248 proven. 40 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-24 01:10:45,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328283510] [2020-10-24 01:10:45,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:45,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:10:45,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836306848] [2020-10-24 01:10:45,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:10:45,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:45,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:10:45,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:10:45,496 INFO L87 Difference]: Start difference. First operand 4180 states and 4667 transitions. Second operand 10 states. [2020-10-24 01:10:45,822 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:46,461 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:46,968 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-10-24 01:10:47,208 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:47,370 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:48,680 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:49,523 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:50,301 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:50,738 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:52,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:52,701 INFO L93 Difference]: Finished difference Result 9928 states and 11202 transitions. [2020-10-24 01:10:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 01:10:52,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 369 [2020-10-24 01:10:52,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:52,734 INFO L225 Difference]: With dead ends: 9928 [2020-10-24 01:10:52,735 INFO L226 Difference]: Without dead ends: 5772 [2020-10-24 01:10:52,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-10-24 01:10:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2020-10-24 01:10:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 5687. [2020-10-24 01:10:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5687 states. [2020-10-24 01:10:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 6219 transitions. [2020-10-24 01:10:54,148 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 6219 transitions. Word has length 369 [2020-10-24 01:10:54,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:54,149 INFO L481 AbstractCegarLoop]: Abstraction has 5687 states and 6219 transitions. [2020-10-24 01:10:54,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:10:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 6219 transitions. [2020-10-24 01:10:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-24 01:10:54,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:54,170 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:54,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:10:54,171 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:54,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1134616170, now seen corresponding path program 1 times [2020-10-24 01:10:54,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:54,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345435309] [2020-10-24 01:10:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:10:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 01:10:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-24 01:10:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-24 01:10:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 264 proven. 79 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-10-24 01:10:54,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345435309] [2020-10-24 01:10:54,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:54,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:54,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392731674] [2020-10-24 01:10:54,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:54,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:54,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:54,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:54,613 INFO L87 Difference]: Start difference. First operand 5687 states and 6219 transitions. Second operand 7 states. [2020-10-24 01:10:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:58,468 INFO L93 Difference]: Finished difference Result 11314 states and 12364 transitions. [2020-10-24 01:10:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:10:58,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 387 [2020-10-24 01:10:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:58,495 INFO L225 Difference]: With dead ends: 11314 [2020-10-24 01:10:58,495 INFO L226 Difference]: Without dead ends: 5800 [2020-10-24 01:10:58,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:10:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2020-10-24 01:11:00,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5748. [2020-10-24 01:11:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5748 states. [2020-10-24 01:11:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 6204 transitions. [2020-10-24 01:11:00,167 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 6204 transitions. Word has length 387 [2020-10-24 01:11:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:00,167 INFO L481 AbstractCegarLoop]: Abstraction has 5748 states and 6204 transitions. [2020-10-24 01:11:00,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:11:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 6204 transitions. [2020-10-24 01:11:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-24 01:11:00,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:11:00,189 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:11:00,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:11:00,189 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:11:00,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:11:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1667056, now seen corresponding path program 1 times [2020-10-24 01:11:00,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:11:00,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147888287] [2020-10-24 01:11:00,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:11:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:11:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:11:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-24 01:11:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 01:11:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 01:11:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-24 01:11:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 293 proven. 32 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-10-24 01:11:00,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147888287] [2020-10-24 01:11:00,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:11:00,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:11:00,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234217013] [2020-10-24 01:11:00,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:11:00,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:11:00,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:11:00,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:11:00,810 INFO L87 Difference]: Start difference. First operand 5748 states and 6204 transitions. Second operand 8 states. [2020-10-24 01:11:02,392 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:11:05,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:11:05,467 INFO L93 Difference]: Finished difference Result 11531 states and 12449 transitions. [2020-10-24 01:11:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:11:05,468 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 409 [2020-10-24 01:11:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:11:05,497 INFO L225 Difference]: With dead ends: 11531 [2020-10-24 01:11:05,497 INFO L226 Difference]: Without dead ends: 5956 [2020-10-24 01:11:05,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-24 01:11:05,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5956 states. [2020-10-24 01:11:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5956 to 5899. [2020-10-24 01:11:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5899 states. [2020-10-24 01:11:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5899 states to 5899 states and 6346 transitions. [2020-10-24 01:11:06,917 INFO L78 Accepts]: Start accepts. Automaton has 5899 states and 6346 transitions. Word has length 409 [2020-10-24 01:11:06,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:06,917 INFO L481 AbstractCegarLoop]: Abstraction has 5899 states and 6346 transitions. [2020-10-24 01:11:06,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:11:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5899 states and 6346 transitions. [2020-10-24 01:11:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-10-24 01:11:06,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:11:06,933 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:11:06,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 01:11:06,934 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:11:06,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:11:06,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1557080139, now seen corresponding path program 1 times [2020-10-24 01:11:06,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:11:06,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942925578] [2020-10-24 01:11:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:11:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:11:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:11:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-24 01:11:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 01:11:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-24 01:11:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-24 01:11:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-24 01:11:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 455 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-10-24 01:11:07,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942925578] [2020-10-24 01:11:07,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:11:07,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:11:07,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460856506] [2020-10-24 01:11:07,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:11:07,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:11:07,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:11:07,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:11:07,584 INFO L87 Difference]: Start difference. First operand 5899 states and 6346 transitions. Second operand 7 states. [2020-10-24 01:11:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:11:11,189 INFO L93 Difference]: Finished difference Result 11762 states and 12703 transitions. [2020-10-24 01:11:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:11:11,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 430 [2020-10-24 01:11:11,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:11:11,195 INFO L225 Difference]: With dead ends: 11762 [2020-10-24 01:11:11,195 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:11:11,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:11:11,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:11:11,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:11:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:11:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:11:11,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2020-10-24 01:11:11,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:11,220 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:11:11,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:11:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:11:11,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:11:11,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 01:11:11,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:11:12,405 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2020-10-24 01:11:31,805 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:11:52,659 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:11:53,731 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:11:53,838 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:12:05,178 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:12:55,079 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:13:26,247 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:13:26,353 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:13:26,467 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:13:28,097 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-10-24 01:13:34,368 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:13:36,822 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:13:39,150 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:13:41,562 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:13:42,391 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:13:43,194 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:13:44,024 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:13:46,422 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:13:47,228 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:13:49,630 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:13:50,631 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-10-24 01:13:51,520 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-10-24 01:13:52,205 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:13:53,045 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2020-10-24 01:13:53,893 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:13:54,961 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2020-10-24 01:13:57,313 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:13:58,557 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-10-24 01:13:59,311 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 67 [2020-10-24 01:14:01,679 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:04,024 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:04,850 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:14:05,522 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:14:06,682 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 01:14:07,683 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-10-24 01:14:10,041 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:10,640 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-10-24 01:14:11,509 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:14:12,517 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-10-24 01:14:13,495 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-10-24 01:14:14,320 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:14:15,010 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 65 [2020-10-24 01:14:17,393 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:18,283 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-10-24 01:14:20,654 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:21,359 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:14:22,046 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-10-24 01:14:22,767 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-10-24 01:14:25,160 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:25,778 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:14:26,835 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:14:27,729 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:14:28,718 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-10-24 01:14:30,112 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 166 DAG size of output: 84 [2020-10-24 01:14:30,767 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-10-24 01:14:31,425 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2020-10-24 01:14:33,852 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:34,644 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:14:35,753 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2020-10-24 01:14:36,727 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 65 [2020-10-24 01:14:37,758 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 154 DAG size of output: 69 [2020-10-24 01:14:38,488 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-10-24 01:14:39,281 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-10-24 01:14:39,899 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 59 [2020-10-24 01:14:40,928 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-10-24 01:14:41,642 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:14:42,656 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-10-24 01:14:45,062 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:45,735 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-10-24 01:14:46,591 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-10-24 01:14:47,432 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:14:48,043 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:14:50,455 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:51,063 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-10-24 01:14:51,900 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:14:54,363 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:14:56,776 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:14:59,238 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:15:00,075 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:15:00,927 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:15:01,769 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:15:04,263 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:15:06,669 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:07,293 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-10-24 01:15:08,698 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 164 DAG size of output: 79 [2020-10-24 01:15:11,168 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:11,976 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-10-24 01:15:12,836 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 69 [2020-10-24 01:15:13,786 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 67 [2020-10-24 01:15:14,668 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2020-10-24 01:15:15,634 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-10-24 01:15:16,437 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-10-24 01:15:17,550 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 226 DAG size of output: 68 [2020-10-24 01:15:18,443 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:15:19,357 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 65 [2020-10-24 01:15:20,329 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2020-10-24 01:15:22,823 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:23,584 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2020-10-24 01:15:24,529 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-10-24 01:15:25,136 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2020-10-24 01:15:25,851 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-10-24 01:15:26,566 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-10-24 01:15:27,410 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:15:28,034 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:15:30,475 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:32,912 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:33,760 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:15:36,276 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:15:38,725 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:41,236 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:15:42,100 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:15:43,115 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2020-10-24 01:15:44,539 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 164 DAG size of output: 78 [2020-10-24 01:15:46,997 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:47,735 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-10-24 01:15:48,368 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-10-24 01:15:49,084 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-10-24 01:15:50,613 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 208 DAG size of output: 70 [2020-10-24 01:15:51,614 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-10-24 01:15:52,285 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 64 [2020-10-24 01:15:53,577 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-10-24 01:15:54,464 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:15:55,211 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-10-24 01:15:55,892 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2020-10-24 01:15:58,525 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:15:59,679 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-10-24 01:16:02,350 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:16:03,487 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-10-24 01:16:04,426 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:16:05,337 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:16:08,060 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:16:09,099 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:16:10,142 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-10-24 01:16:12,706 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:16:13,499 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 68 [2020-10-24 01:16:14,451 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-10-24 01:16:15,418 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-10-24 01:16:16,305 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-10-24 01:16:17,212 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-10-24 01:16:18,134 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:16:20,715 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:16:21,485 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 65 [2020-10-24 01:16:22,257 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2020-10-24 01:16:23,312 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 153 DAG size of output: 64 [2020-10-24 01:16:24,268 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-10-24 01:16:25,037 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:16:26,110 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2020-10-24 01:16:27,076 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-10-24 01:16:28,116 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2020-10-24 01:16:29,339 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-10-24 01:16:30,378 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 173 DAG size of output: 69 [2020-10-24 01:16:31,352 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 66 [2020-10-24 01:16:32,359 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 71 [2020-10-24 01:16:33,145 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:16:33,977 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-10-24 01:16:35,196 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 168 DAG size of output: 72 [2020-10-24 01:16:36,159 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-10-24 01:16:37,042 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:16:37,937 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-10-24 01:16:40,543 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:16:43,235 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:16:44,126 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-10-24 01:16:45,030 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-10-24 01:16:45,911 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:16:46,637 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-10-24 01:16:49,146 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:16:50,070 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-10-24 01:16:50,759 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:16:51,805 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 01:16:54,433 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:16:57,051 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:16:58,119 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-10-24 01:16:59,048 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:17:01,570 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:02,467 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:17:03,392 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:17:04,337 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:17:07,011 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:17:07,885 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:17:08,762 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:17:11,402 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:17:12,317 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:17:15,080 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:17:15,969 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:17:16,852 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-10-24 01:17:17,743 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:17:18,674 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:17:21,228 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:22,301 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-10-24 01:17:24,966 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:25,632 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:17:26,359 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-10-24 01:17:27,267 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:17:29,816 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:32,481 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:33,419 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-10-24 01:17:34,429 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 01:17:37,147 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:17:38,088 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:17:39,085 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-10-24 01:17:39,883 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:17:40,957 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-10-24 01:17:42,042 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2020-10-24 01:17:42,863 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:17:45,609 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:48,288 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:17:49,103 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-10-24 01:17:50,060 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 71 [2020-10-24 01:17:51,036 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-10-24 01:17:51,804 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 64 [2020-10-24 01:17:52,769 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:17:53,574 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-10-24 01:17:54,656 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-10-24 01:17:55,460 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2020-10-24 01:17:56,288 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:17:57,255 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:17:58,210 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:17:59,001 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-10-24 01:18:01,639 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:02,738 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 173 DAG size of output: 70 [2020-10-24 01:18:03,890 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-10-24 01:18:05,044 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 156 DAG size of output: 71 [2020-10-24 01:18:06,064 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2020-10-24 01:18:08,729 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:09,915 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-10-24 01:18:12,563 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:13,635 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2020-10-24 01:18:14,564 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 66 [2020-10-24 01:18:15,317 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:18:17,990 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:18,737 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-10-24 01:18:20,529 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 221 DAG size of output: 71 [2020-10-24 01:18:21,477 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-10-24 01:18:22,392 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 70 [2020-10-24 01:18:23,771 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 69 [2020-10-24 01:18:24,491 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:18:27,165 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:28,127 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:18:30,756 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:31,533 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2020-10-24 01:18:32,721 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-10-24 01:18:33,702 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-10-24 01:18:34,695 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 65 [2020-10-24 01:18:37,434 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:18:38,384 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:18:39,337 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:18:40,283 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:18:43,050 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:18:43,986 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:18:46,749 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:18:49,419 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:50,411 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-10-24 01:18:53,047 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:54,046 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 01:18:55,016 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:18:57,710 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:18:58,991 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 202 DAG size of output: 69 [2020-10-24 01:18:59,957 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:19:00,713 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:19:03,431 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:04,196 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-10-24 01:19:06,891 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:07,847 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:19:10,556 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:13,267 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:14,365 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 01:19:15,227 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:19:15,987 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-10-24 01:19:18,666 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:19,501 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:19:22,217 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:22,997 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:19:24,069 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-10-24 01:19:26,765 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:27,860 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-10-24 01:19:28,961 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 170 DAG size of output: 67 [2020-10-24 01:19:30,062 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-10-24 01:19:30,899 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-10-24 01:19:33,566 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:36,287 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:37,285 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-10-24 01:19:38,115 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:19:40,835 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:43,535 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:44,960 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 203 DAG size of output: 69 [2020-10-24 01:19:46,304 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 224 DAG size of output: 65 [2020-10-24 01:19:49,041 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:49,797 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-10-24 01:19:51,022 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 182 DAG size of output: 68 [2020-10-24 01:19:52,323 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 213 DAG size of output: 64 [2020-10-24 01:19:53,457 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-10-24 01:19:56,198 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:19:58,936 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:00,421 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 72 [2020-10-24 01:20:01,881 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 160 DAG size of output: 71 [2020-10-24 01:20:04,596 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:05,405 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-10-24 01:20:08,110 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:08,808 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-10-24 01:20:09,783 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-10-24 01:20:10,919 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 159 DAG size of output: 68 [2020-10-24 01:20:11,624 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-10-24 01:20:12,444 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:20:15,135 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:16,309 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-10-24 01:20:17,551 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2020-10-24 01:20:18,626 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-10-24 01:20:19,637 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-10-24 01:20:20,354 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:20:23,061 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:25,814 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:26,914 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:20:27,999 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-10-24 01:20:28,905 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-10-24 01:20:31,626 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:32,810 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-10-24 01:20:33,603 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 66 [2020-10-24 01:20:34,382 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-10-24 01:20:37,109 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:37,272 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2020-10-24 01:20:39,995 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:42,771 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:44,200 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-10-24 01:20:45,760 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-10-24 01:20:46,933 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-10-24 01:20:48,239 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-10-24 01:20:49,385 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-10-24 01:20:50,308 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:20:51,295 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 65 [2020-10-24 01:20:52,299 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-10-24 01:20:53,318 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 165 DAG size of output: 67 [2020-10-24 01:20:55,989 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:58,626 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:20:59,393 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2020-10-24 01:21:00,587 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-10-24 01:21:01,523 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:21:04,171 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:21:05,265 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-10-24 01:21:06,194 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:21:07,142 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:21:08,062 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:21:10,774 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:11,701 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:21:14,441 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:17,212 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:19,947 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:20,874 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:21:21,812 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:21:22,742 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:21:23,737 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2020-10-24 01:21:26,403 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:21:27,451 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 152 DAG size of output: 63 [2020-10-24 01:21:28,192 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-10-24 01:21:30,861 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:21:33,535 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:21:34,466 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:21:35,408 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:21:36,348 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:21:39,106 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:40,034 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-10-24 01:21:42,788 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:45,534 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:21:46,550 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-10-24 01:22:00,251 WARN L193 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 385 DAG size of output: 176 [2020-10-24 01:22:14,047 WARN L193 SmtUtils]: Spent 13.75 s on a formula simplification. DAG size of input: 385 DAG size of output: 176 [2020-10-24 01:22:15,107 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-10-24 01:22:16,231 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2020-10-24 01:22:17,379 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-10-24 01:22:18,270 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-10-24 01:22:19,074 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:22:20,055 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-10-24 01:22:21,055 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 01:22:23,754 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:22:26,455 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:22:27,546 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 152 DAG size of output: 63 [2020-10-24 01:22:28,234 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 59 [2020-10-24 01:22:29,145 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-10-24 01:22:30,273 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-10-24 01:22:31,059 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:22:32,017 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:22:33,084 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-10-24 01:22:34,296 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 207 DAG size of output: 71 [2020-10-24 01:22:35,439 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-10-24 01:22:36,779 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-10-24 01:22:38,160 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 69 [2020-10-24 01:22:39,237 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-10-24 01:22:40,351 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2020-10-24 01:22:41,310 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 67 [2020-10-24 01:22:42,483 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2020-10-24 01:22:43,848 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-10-24 01:22:44,676 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-10-24 01:22:47,397 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-10-24 01:22:48,237 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-10-24 01:22:48,964 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-10-24 01:22:51,768 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-10-24 01:22:52,728 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-10-24 01:22:53,687 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-10-24 01:22:54,632 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68