/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:02:12,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:02:12,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:02:12,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:02:12,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:02:12,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:02:12,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:02:12,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:02:12,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:02:12,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:02:12,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:02:12,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:02:12,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:02:12,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:02:12,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:02:12,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:02:12,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:02:12,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:02:12,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:02:12,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:02:12,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:02:12,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:02:12,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:02:12,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:02:12,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 00:02:12,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 00:02:12,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 00:02:12,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 00:02:12,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 00:02:12,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 00:02:12,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 00:02:12,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 00:02:12,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 00:02:12,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 00:02:12,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 00:02:12,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 00:02:12,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 00:02:12,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 00:02:12,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:02:12,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:02:12,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:02:12,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:02:12,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:02:12,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:02:12,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:02:12,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:02:12,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:02:12,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:02:12,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:02:12,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:02:12,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:02:12,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:02:12,922 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:02:12,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:02:12,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:02:12,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:02:12,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:02:12,924 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:02:12,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:02:12,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:02:12,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:02:12,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:02:12,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:02:12,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:02:12,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:02:13,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:02:13,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:02:13,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:02:13,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:02:13,390 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:02:13,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2021-02-24 00:02:13,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f2905e0/58f280caa8d0478da3e1c610679bb8b4/FLAGa745b3eec [2021-02-24 00:02:14,244 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:02:14,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2021-02-24 00:02:14,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f2905e0/58f280caa8d0478da3e1c610679bb8b4/FLAGa745b3eec [2021-02-24 00:02:14,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f2905e0/58f280caa8d0478da3e1c610679bb8b4 [2021-02-24 00:02:14,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:02:14,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:02:14,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:02:14,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:02:14,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:02:14,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:02:14" (1/1) ... [2021-02-24 00:02:14,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9fa6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:14, skipping insertion in model container [2021-02-24 00:02:14,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:02:14" (1/1) ... [2021-02-24 00:02:14,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:02:14,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:02:14,768 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c[5662,5675] [2021-02-24 00:02:15,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:02:15,036 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:02:15,087 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c[5662,5675] [2021-02-24 00:02:15,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:02:15,282 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:02:15,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15 WrapperNode [2021-02-24 00:02:15,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:02:15,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:02:15,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:02:15,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:02:15,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (1/1) ... [2021-02-24 00:02:15,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:02:15,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:02:15,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:02:15,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:02:15,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (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 [2021-02-24 00:02:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:02:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:02:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:02:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 00:02:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:02:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 00:02:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:02:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:02:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:02:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:02:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 00:02:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 00:02:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:02:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:02:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:02:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:02:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:02:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:02:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:02:17,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:02:17,455 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 00:02:17,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:02:17 BoogieIcfgContainer [2021-02-24 00:02:17,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:02:17,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:02:17,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:02:17,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:02:17,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:02:14" (1/3) ... [2021-02-24 00:02:17,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cf864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:02:17, skipping insertion in model container [2021-02-24 00:02:17,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:15" (2/3) ... [2021-02-24 00:02:17,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cf864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:02:17, skipping insertion in model container [2021-02-24 00:02:17,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:02:17" (3/3) ... [2021-02-24 00:02:17,468 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2021-02-24 00:02:17,475 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:02:17,481 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:02:17,503 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:02:17,529 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:02:17,530 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:02:17,530 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:02:17,530 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:02:17,530 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:02:17,531 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:02:17,531 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:02:17,531 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:02:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states. [2021-02-24 00:02:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-02-24 00:02:17,575 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:17,576 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] [2021-02-24 00:02:17,576 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:17,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1956314706, now seen corresponding path program 1 times [2021-02-24 00:02:17,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:17,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350781357] [2021-02-24 00:02:17,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:17,904 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 00:02:17,906 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 00:02:17,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:17,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:02:17,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:17,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:02:17,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:17,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:18,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:18,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:18,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:18,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:18,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350781357] [2021-02-24 00:02:18,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:18,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 00:02:18,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209782237] [2021-02-24 00:02:18,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:02:18,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:18,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:02:18,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:02:18,117 INFO L87 Difference]: Start difference. First operand 465 states. Second operand 5 states. [2021-02-24 00:02:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:21,430 INFO L93 Difference]: Finished difference Result 1235 states and 1806 transitions. [2021-02-24 00:02:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 00:02:21,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-02-24 00:02:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:21,455 INFO L225 Difference]: With dead ends: 1235 [2021-02-24 00:02:21,455 INFO L226 Difference]: Without dead ends: 715 [2021-02-24 00:02:21,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:02:21,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-02-24 00:02:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 703. [2021-02-24 00:02:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2021-02-24 00:02:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 934 transitions. [2021-02-24 00:02:21,750 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 934 transitions. Word has length 76 [2021-02-24 00:02:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:21,751 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 934 transitions. [2021-02-24 00:02:21,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:02:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 934 transitions. [2021-02-24 00:02:21,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-02-24 00:02:21,768 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:21,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:21,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:02:21,769 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:21,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:21,771 INFO L82 PathProgramCache]: Analyzing trace with hash -489315525, now seen corresponding path program 1 times [2021-02-24 00:02:21,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:21,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632499061] [2021-02-24 00:02:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:21,947 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 00:02:21,948 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 00:02:21,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:21,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:02:21,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:21,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:22,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:22,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:22,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:22,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:22,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:22,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:22,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:22,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:22,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632499061] [2021-02-24 00:02:22,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:22,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 00:02:22,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609518045] [2021-02-24 00:02:22,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 00:02:22,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:22,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 00:02:22,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-24 00:02:22,290 INFO L87 Difference]: Start difference. First operand 703 states and 934 transitions. Second operand 8 states. [2021-02-24 00:02:24,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:24,696 INFO L93 Difference]: Finished difference Result 1567 states and 2138 transitions. [2021-02-24 00:02:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-24 00:02:24,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2021-02-24 00:02:24,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:24,716 INFO L225 Difference]: With dead ends: 1567 [2021-02-24 00:02:24,717 INFO L226 Difference]: Without dead ends: 887 [2021-02-24 00:02:24,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-24 00:02:24,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-02-24 00:02:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 861. [2021-02-24 00:02:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-02-24 00:02:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1098 transitions. [2021-02-24 00:02:24,915 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1098 transitions. Word has length 159 [2021-02-24 00:02:24,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:24,916 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1098 transitions. [2021-02-24 00:02:24,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 00:02:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1098 transitions. [2021-02-24 00:02:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-24 00:02:24,920 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:24,920 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:24,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:02:24,921 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:24,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:24,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1643319152, now seen corresponding path program 1 times [2021-02-24 00:02:24,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:24,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421278446] [2021-02-24 00:02:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:25,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:25,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:25,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:25,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:25,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:25,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:25,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:25,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:25,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:02:25,220 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:25,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421278446] [2021-02-24 00:02:25,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:25,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-24 00:02:25,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176355776] [2021-02-24 00:02:25,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:02:25,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:25,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:02:25,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:02:25,223 INFO L87 Difference]: Start difference. First operand 861 states and 1098 transitions. Second operand 5 states. [2021-02-24 00:02:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:27,472 INFO L93 Difference]: Finished difference Result 2357 states and 3135 transitions. [2021-02-24 00:02:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-24 00:02:27,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2021-02-24 00:02:27,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:27,490 INFO L225 Difference]: With dead ends: 2357 [2021-02-24 00:02:27,490 INFO L226 Difference]: Without dead ends: 1519 [2021-02-24 00:02:27,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-24 00:02:27,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2021-02-24 00:02:27,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1325. [2021-02-24 00:02:27,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2021-02-24 00:02:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1663 transitions. [2021-02-24 00:02:27,744 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1663 transitions. Word has length 165 [2021-02-24 00:02:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:27,745 INFO L480 AbstractCegarLoop]: Abstraction has 1325 states and 1663 transitions. [2021-02-24 00:02:27,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:02:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1663 transitions. [2021-02-24 00:02:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-02-24 00:02:27,748 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:27,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:27,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 00:02:27,749 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:27,750 INFO L82 PathProgramCache]: Analyzing trace with hash -586376800, now seen corresponding path program 1 times [2021-02-24 00:02:27,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:27,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1500488201] [2021-02-24 00:02:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:27,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:27,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:27,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:27,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:27,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:27,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:27,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:27,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:27,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:27,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:27,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1500488201] [2021-02-24 00:02:27,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:27,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 00:02:27,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316837420] [2021-02-24 00:02:27,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:02:27,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:27,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:02:27,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:02:27,995 INFO L87 Difference]: Start difference. First operand 1325 states and 1663 transitions. Second operand 7 states. [2021-02-24 00:02:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:30,704 INFO L93 Difference]: Finished difference Result 3159 states and 4102 transitions. [2021-02-24 00:02:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-24 00:02:30,704 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2021-02-24 00:02:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:30,722 INFO L225 Difference]: With dead ends: 3159 [2021-02-24 00:02:30,722 INFO L226 Difference]: Without dead ends: 1857 [2021-02-24 00:02:30,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-02-24 00:02:30,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2021-02-24 00:02:31,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1495. [2021-02-24 00:02:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2021-02-24 00:02:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1749 transitions. [2021-02-24 00:02:31,058 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1749 transitions. Word has length 174 [2021-02-24 00:02:31,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:31,059 INFO L480 AbstractCegarLoop]: Abstraction has 1495 states and 1749 transitions. [2021-02-24 00:02:31,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:02:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1749 transitions. [2021-02-24 00:02:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-24 00:02:31,063 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:31,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:31,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 00:02:31,064 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:31,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2097677939, now seen corresponding path program 1 times [2021-02-24 00:02:31,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:31,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974494022] [2021-02-24 00:02:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:31,203 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:31,205 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:31,219 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:31,220 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:31,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:31,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:31,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:31,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:02:31,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 00:02:31,313 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:31,314 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:31,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:02:31,434 WARN L141 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-02-24 00:02:31,435 WARN L147 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size 35 [2021-02-24 00:02:31,467 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-02-24 00:02:31,468 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-02-24 00:02:31,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 00:02:31,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:31,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 00:02:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:31,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974494022] [2021-02-24 00:02:31,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:31,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-24 00:02:31,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953410928] [2021-02-24 00:02:31,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 00:02:31,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:31,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 00:02:31,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-02-24 00:02:31,814 INFO L87 Difference]: Start difference. First operand 1495 states and 1749 transitions. Second operand 13 states. [2021-02-24 00:02:32,468 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-02-24 00:02:32,712 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-02-24 00:02:33,198 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2021-02-24 00:02:34,003 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-02-24 00:02:34,274 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-02-24 00:02:34,878 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-02-24 00:02:35,068 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-02-24 00:02:37,253 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-02-24 00:02:37,488 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-02-24 00:02:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:39,334 INFO L93 Difference]: Finished difference Result 4783 states and 5674 transitions. [2021-02-24 00:02:39,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-24 00:02:39,335 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 203 [2021-02-24 00:02:39,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:39,363 INFO L225 Difference]: With dead ends: 4783 [2021-02-24 00:02:39,363 INFO L226 Difference]: Without dead ends: 3311 [2021-02-24 00:02:39,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=304, Invalid=1102, Unknown=0, NotChecked=0, Total=1406 [2021-02-24 00:02:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2021-02-24 00:02:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 2614. [2021-02-24 00:02:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2614 states. [2021-02-24 00:02:39,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 3057 transitions. [2021-02-24 00:02:39,897 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 3057 transitions. Word has length 203 [2021-02-24 00:02:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:39,897 INFO L480 AbstractCegarLoop]: Abstraction has 2614 states and 3057 transitions. [2021-02-24 00:02:39,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 00:02:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 3057 transitions. [2021-02-24 00:02:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-02-24 00:02:39,904 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:39,904 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:39,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 00:02:39,905 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:39,905 INFO L82 PathProgramCache]: Analyzing trace with hash 283428974, now seen corresponding path program 1 times [2021-02-24 00:02:39,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:39,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410322325] [2021-02-24 00:02:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:40,011 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:40,012 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:40,018 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-02-24 00:02:40,018 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-02-24 00:02:40,035 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-02-24 00:02:40,037 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-02-24 00:02:40,038 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-02-24 00:02:40,039 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-02-24 00:02:40,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:40,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:40,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:40,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:40,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:40,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:40,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:40,122 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:40,123 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:40,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:40,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:40,165 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:40,166 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-02-24 00:02:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:40,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:40,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:40,223 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:40,224 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:40,225 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-24 00:02:40,225 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-24 00:02:40,239 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:40,239 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:40,256 WARN L141 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-02-24 00:02:40,256 WARN L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-02-24 00:02:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-02-24 00:02:40,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410322325] [2021-02-24 00:02:40,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:40,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-24 00:02:40,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512281963] [2021-02-24 00:02:40,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 00:02:40,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:40,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 00:02:40,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:02:40,457 INFO L87 Difference]: Start difference. First operand 2614 states and 3057 transitions. Second operand 10 states. [2021-02-24 00:02:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:44,734 INFO L93 Difference]: Finished difference Result 6095 states and 7251 transitions. [2021-02-24 00:02:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 00:02:44,735 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2021-02-24 00:02:44,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:44,765 INFO L225 Difference]: With dead ends: 6095 [2021-02-24 00:02:44,765 INFO L226 Difference]: Without dead ends: 3466 [2021-02-24 00:02:44,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2021-02-24 00:02:44,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3466 states. [2021-02-24 00:02:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3466 to 3265. [2021-02-24 00:02:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3265 states. [2021-02-24 00:02:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 3265 states and 3865 transitions. [2021-02-24 00:02:45,651 INFO L78 Accepts]: Start accepts. Automaton has 3265 states and 3865 transitions. Word has length 277 [2021-02-24 00:02:45,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:45,652 INFO L480 AbstractCegarLoop]: Abstraction has 3265 states and 3865 transitions. [2021-02-24 00:02:45,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 00:02:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3865 transitions. [2021-02-24 00:02:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-02-24 00:02:45,660 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:45,661 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:45,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 00:02:45,661 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:45,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:45,664 INFO L82 PathProgramCache]: Analyzing trace with hash 752391023, now seen corresponding path program 1 times [2021-02-24 00:02:45,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:45,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423335012] [2021-02-24 00:02:45,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:45,824 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:45,825 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:45,831 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:45,832 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:45,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:45,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:45,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:45,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:45,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:45,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:45,911 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:45,912 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:45,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:45,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:45,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:45,948 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-24 00:02:45,949 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-24 00:02:45,961 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 00:02:45,962 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 00:02:45,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-02-24 00:02:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:46,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:46,048 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-02-24 00:02:46,049 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-02-24 00:02:46,071 WARN L141 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-02-24 00:02:46,072 WARN L147 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-02-24 00:02:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-24 00:02:46,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423335012] [2021-02-24 00:02:46,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:46,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-24 00:02:46,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586104704] [2021-02-24 00:02:46,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 00:02:46,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:46,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 00:02:46,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-24 00:02:46,260 INFO L87 Difference]: Start difference. First operand 3265 states and 3865 transitions. Second operand 11 states. [2021-02-24 00:02:46,908 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-02-24 00:02:47,409 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-02-24 00:02:48,410 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-02-24 00:02:49,759 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2021-02-24 00:02:50,376 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-02-24 00:02:52,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:52,344 INFO L93 Difference]: Finished difference Result 8085 states and 9802 transitions. [2021-02-24 00:02:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-24 00:02:52,345 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 282 [2021-02-24 00:02:52,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:52,384 INFO L225 Difference]: With dead ends: 8085 [2021-02-24 00:02:52,385 INFO L226 Difference]: Without dead ends: 4843 [2021-02-24 00:02:52,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-02-24 00:02:52,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2021-02-24 00:02:53,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 3741. [2021-02-24 00:02:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3741 states. [2021-02-24 00:02:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4375 transitions. [2021-02-24 00:02:53,486 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4375 transitions. Word has length 282 [2021-02-24 00:02:53,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:53,487 INFO L480 AbstractCegarLoop]: Abstraction has 3741 states and 4375 transitions. [2021-02-24 00:02:53,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 00:02:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4375 transitions. [2021-02-24 00:02:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-02-24 00:02:53,495 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:53,495 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:53,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 00:02:53,496 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:53,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:53,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1156174673, now seen corresponding path program 1 times [2021-02-24 00:02:53,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:53,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257788902] [2021-02-24 00:02:53,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:53,596 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:53,597 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:53,603 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:53,604 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:53,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:53,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:53,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:53,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:53,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:53,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:53,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:53,688 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:53,690 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:53,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:53,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:53,756 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:02:53,756 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:02:53,757 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-24 00:02:53,758 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-24 00:02:53,772 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-24 00:02:53,774 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-24 00:02:53,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-24 00:02:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:53,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:53,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:53,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:53,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-24 00:02:53,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257788902] [2021-02-24 00:02:53,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:53,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-24 00:02:53,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110658407] [2021-02-24 00:02:53,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 00:02:53,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:53,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 00:02:53,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:02:53,992 INFO L87 Difference]: Start difference. First operand 3741 states and 4375 transitions. Second operand 10 states. [2021-02-24 00:02:59,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:59,159 INFO L93 Difference]: Finished difference Result 8723 states and 10326 transitions. [2021-02-24 00:02:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 00:02:59,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 292 [2021-02-24 00:02:59,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:59,192 INFO L225 Difference]: With dead ends: 8723 [2021-02-24 00:02:59,192 INFO L226 Difference]: Without dead ends: 4693 [2021-02-24 00:02:59,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-02-24 00:02:59,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2021-02-24 00:03:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 3731. [2021-02-24 00:03:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3731 states. [2021-02-24 00:03:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3731 states and 4344 transitions. [2021-02-24 00:03:00,325 INFO L78 Accepts]: Start accepts. Automaton has 3731 states and 4344 transitions. Word has length 292 [2021-02-24 00:03:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:00,325 INFO L480 AbstractCegarLoop]: Abstraction has 3731 states and 4344 transitions. [2021-02-24 00:03:00,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 00:03:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3731 states and 4344 transitions. [2021-02-24 00:03:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-02-24 00:03:00,337 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:03:00,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:03:00,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 00:03:00,338 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:03:00,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:03:00,338 INFO L82 PathProgramCache]: Analyzing trace with hash -539178998, now seen corresponding path program 1 times [2021-02-24 00:03:00,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:03:00,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762328109] [2021-02-24 00:03:00,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:03:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:00,494 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:00,495 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:00,501 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-02-24 00:03:00,501 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-02-24 00:03:00,516 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-02-24 00:03:00,517 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-02-24 00:03:00,519 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-02-24 00:03:00,520 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-02-24 00:03:00,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:00,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:00,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:03:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:00,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:00,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:00,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:00,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:00,605 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:00,606 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:03:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:00,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:00,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:00,663 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:00,664 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:00,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 00:03:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:00,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:00,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:00,786 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:00,787 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:00,788 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-24 00:03:00,789 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-24 00:03:00,805 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:03:00,806 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:03:00,821 WARN L141 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-02-24 00:03:00,822 WARN L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-02-24 00:03:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-02-24 00:03:00,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762328109] [2021-02-24 00:03:00,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:03:00,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-24 00:03:00,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893016177] [2021-02-24 00:03:00,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 00:03:00,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:03:00,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 00:03:00,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:03:00,965 INFO L87 Difference]: Start difference. First operand 3731 states and 4344 transitions. Second operand 10 states. [2021-02-24 00:03:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:06,394 INFO L93 Difference]: Finished difference Result 8180 states and 9658 transitions. [2021-02-24 00:03:06,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 00:03:06,395 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 327 [2021-02-24 00:03:06,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:06,423 INFO L225 Difference]: With dead ends: 8180 [2021-02-24 00:03:06,423 INFO L226 Difference]: Without dead ends: 4418 [2021-02-24 00:03:06,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2021-02-24 00:03:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4418 states. [2021-02-24 00:03:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4418 to 4216. [2021-02-24 00:03:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4216 states. [2021-02-24 00:03:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 4943 transitions. [2021-02-24 00:03:07,542 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 4943 transitions. Word has length 327 [2021-02-24 00:03:07,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:07,543 INFO L480 AbstractCegarLoop]: Abstraction has 4216 states and 4943 transitions. [2021-02-24 00:03:07,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 00:03:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 4943 transitions. [2021-02-24 00:03:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-02-24 00:03:07,554 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:03:07,554 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:03:07,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 00:03:07,555 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:03:07,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:03:07,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1670140686, now seen corresponding path program 1 times [2021-02-24 00:03:07,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:03:07,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472575067] [2021-02-24 00:03:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:03:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:07,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:07,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:07,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:07,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:03:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:07,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:07,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:03:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:07,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:07,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 00:03:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:07,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:07,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:07,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:03:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-02-24 00:03:07,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472575067] [2021-02-24 00:03:07,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:03:07,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-24 00:03:07,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210764181] [2021-02-24 00:03:07,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:03:07,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:03:07,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:03:07,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:03:07,942 INFO L87 Difference]: Start difference. First operand 4216 states and 4943 transitions. Second operand 5 states. [2021-02-24 00:03:10,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:10,781 INFO L93 Difference]: Finished difference Result 9209 states and 11023 transitions. [2021-02-24 00:03:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-24 00:03:10,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 346 [2021-02-24 00:03:10,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:10,812 INFO L225 Difference]: With dead ends: 9209 [2021-02-24 00:03:10,812 INFO L226 Difference]: Without dead ends: 5016 [2021-02-24 00:03:10,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-24 00:03:10,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5016 states. [2021-02-24 00:03:12,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5016 to 4676. [2021-02-24 00:03:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4676 states. [2021-02-24 00:03:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 5402 transitions. [2021-02-24 00:03:12,049 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 5402 transitions. Word has length 346 [2021-02-24 00:03:12,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:12,050 INFO L480 AbstractCegarLoop]: Abstraction has 4676 states and 5402 transitions. [2021-02-24 00:03:12,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:03:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 5402 transitions. [2021-02-24 00:03:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-02-24 00:03:12,058 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:03:12,058 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:03:12,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 00:03:12,059 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:03:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:03:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash -684631903, now seen corresponding path program 1 times [2021-02-24 00:03:12,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:03:12,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959963582] [2021-02-24 00:03:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:03:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:12,163 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:12,164 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:12,170 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:03:12,171 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:03:12,181 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:03:12,181 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:03:12,182 WARN L141 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-02-24 00:03:12,183 WARN L147 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size 18 [2021-02-24 00:03:12,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:12,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:03:12,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:12,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:03:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:12,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:12,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:12,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:12,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:12,290 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:12,291 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:12,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:03:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:12,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:12,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:12,344 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:12,345 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 00:03:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:12,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:12,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:12,400 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:12,401 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:12,402 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-24 00:03:12,402 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-24 00:03:12,416 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-24 00:03:12,417 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-24 00:03:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-02-24 00:03:12,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959963582] [2021-02-24 00:03:12,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:03:12,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-24 00:03:12,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130562446] [2021-02-24 00:03:12,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 00:03:12,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:03:12,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 00:03:12,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:03:12,557 INFO L87 Difference]: Start difference. First operand 4676 states and 5402 transitions. Second operand 10 states. [2021-02-24 00:03:15,906 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2021-02-24 00:03:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:19,356 INFO L93 Difference]: Finished difference Result 10977 states and 13038 transitions. [2021-02-24 00:03:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-24 00:03:19,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2021-02-24 00:03:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:19,367 INFO L225 Difference]: With dead ends: 10977 [2021-02-24 00:03:19,367 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 00:03:19,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2021-02-24 00:03:19,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 00:03:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 00:03:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 00:03:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 00:03:19,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 351 [2021-02-24 00:03:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:19,396 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 00:03:19,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 00:03:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 00:03:19,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 00:03:19,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-24 00:03:19,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 00:03:19,688 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-02-24 00:03:19,886 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-02-24 00:03:22,197 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-02-24 00:03:23,954 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2021-02-24 00:03:51,877 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:03:52,250 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 213 [2021-02-24 00:03:53,895 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 213 [2021-02-24 00:03:54,166 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 213 [2021-02-24 00:03:57,507 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:04:09,693 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:04:09,917 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:04:10,125 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:04:15,410 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:04:22,704 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-02-24 00:04:45,305 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 213 [2021-02-24 00:04:45,569 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-02-24 00:04:46,307 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2021-02-24 00:04:46,762 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 190 [2021-02-24 00:04:46,954 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 209 [2021-02-24 00:04:47,119 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 175 [2021-02-24 00:04:47,354 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 186 [2021-02-24 00:04:47,822 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 211 [2021-02-24 00:04:48,132 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 213 [2021-02-24 00:04:48,384 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-02-24 00:04:49,123 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2021-02-24 00:04:49,580 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 190 [2021-02-24 00:04:49,772 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 209 [2021-02-24 00:04:50,163 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 186 [2021-02-24 00:04:50,627 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 211 [2021-02-24 00:05:20,651 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:23,299 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:24,037 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 56 [2021-02-24 00:05:26,700 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:29,347 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:30,080 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 56 [2021-02-24 00:05:30,904 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-24 00:05:31,594 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2021-02-24 00:05:32,579 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2021-02-24 00:05:35,234 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:36,195 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 57 [2021-02-24 00:05:37,180 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 54 [2021-02-24 00:05:37,868 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2021-02-24 00:05:40,623 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:05:41,297 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 53 [2021-02-24 00:05:42,029 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 56 [2021-02-24 00:05:43,066 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 198 DAG size of output: 67 [2021-02-24 00:05:45,821 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:05:48,585 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:05:51,261 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:52,067 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 53 [2021-02-24 00:05:54,737 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:05:55,416 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 55 [2021-02-24 00:05:56,320 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 58 [2021-02-24 00:05:57,428 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 194 DAG size of output: 65 [2021-02-24 00:05:58,165 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 56 [2021-02-24 00:06:00,835 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:06:01,625 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 58 [2021-02-24 00:06:02,335 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 53 [2021-02-24 00:06:02,916 WARN L202 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:06:03,798 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:05,518 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:06,387 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:08,105 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:09,833 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:11,582 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:12,459 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:13,338 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:15,018 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:06:16,764 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 316 DAG size of output: 58 [2021-02-24 00:06:17,643 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:18,538 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:20,274 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:20,857 WARN L202 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:06:21,374 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 43 [2021-02-24 00:06:23,115 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:24,872 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:26,612 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:06:27,136 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 43 [2021-02-24 00:06:28,846 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:06:29,708 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 55 [2021-02-24 00:06:32,430 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:06:35,160 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:06:36,013 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 54 [2021-02-24 00:06:37,395 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 222 DAG size of output: 64 [2021-02-24 00:06:38,742 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 231 DAG size of output: 62 [2021-02-24 00:06:39,893 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2021-02-24 00:06:40,708 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 53 [2021-02-24 00:06:41,401 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 57 [2021-02-24 00:06:44,139 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:06:46,881 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:06:47,617 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 60 [2021-02-24 00:06:50,384 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:06:51,103 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2021-02-24 00:06:51,809 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 67 [2021-02-24 00:06:52,620 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 57 [2021-02-24 00:06:53,372 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2021-02-24 00:06:54,274 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:06:55,134 WARN L202 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 54 [2021-02-24 00:06:56,143 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 227 DAG size of output: 64 [2021-02-24 00:06:56,902 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2021-02-24 00:06:59,763 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:07:00,630 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 61 [2021-02-24 00:07:01,356 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 55 [2021-02-24 00:07:04,214 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:07:04,855 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 54 [2021-02-24 00:07:05,614 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2021-02-24 00:07:06,499 WARN L202 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 59 [2021-02-24 00:07:07,522 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 212 DAG size of output: 54 [2021-02-24 00:07:08,222 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 54 [2021-02-24 00:07:08,976 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 54 [2021-02-24 00:07:10,121 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 212 DAG size of output: 57 [2021-02-24 00:07:10,936 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 56 [2021-02-24 00:07:11,710 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2021-02-24 00:07:14,496 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:15,461 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 57 [2021-02-24 00:07:16,481 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 214 DAG size of output: 56 [2021-02-24 00:07:17,218 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 51 [2021-02-24 00:07:18,307 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 188 DAG size of output: 72 [2021-02-24 00:07:19,032 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 54 [2021-02-24 00:07:21,815 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:24,605 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:27,393 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:28,305 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:07:29,229 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:07:29,956 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 55 [2021-02-24 00:07:30,757 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 56 [2021-02-24 00:07:31,716 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:07:32,372 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 56 [2021-02-24 00:07:33,204 WARN L202 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 53 [2021-02-24 00:07:33,979 WARN L202 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2021-02-24 00:07:34,925 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:07:37,736 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:40,539 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:41,495 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:07:42,559 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 185 DAG size of output: 64 [2021-02-24 00:07:43,512 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:07:46,324 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:47,275 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 61 [2021-02-24 00:07:50,086 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:50,950 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 52 [2021-02-24 00:07:53,908 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:07:54,626 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 56 [2021-02-24 00:07:55,633 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:07:56,647 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:07:58,625 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:07:59,633 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:08:00,697 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:08:01,723 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 193 DAG size of output: 56 [2021-02-24 00:08:02,565 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 59 [2021-02-24 00:08:03,268 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 54 [2021-02-24 00:08:04,058 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2021-02-24 00:08:04,776 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 57 [2021-02-24 00:08:07,812 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:08,819 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-24 00:08:09,547 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 57 [2021-02-24 00:08:10,535 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:08:12,414 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:08:13,068 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:08:15,005 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:08:16,932 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:08:18,856 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:08:19,824 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:08:20,886 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 211 DAG size of output: 53 [2021-02-24 00:08:21,738 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 53 [2021-02-24 00:08:24,583 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:27,394 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:28,447 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 192 DAG size of output: 64 [2021-02-24 00:08:29,181 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2021-02-24 00:08:32,106 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:34,995 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:37,970 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:40,891 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:08:42,178 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2021-02-24 00:08:42,799 WARN L202 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 50 [2021-02-24 00:08:43,644 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 56 [2021-02-24 00:08:44,424 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 54 [2021-02-24 00:08:45,161 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2021-02-24 00:08:45,973 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 55 [2021-02-24 00:08:46,985 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 179 DAG size of output: 58 [2021-02-24 00:08:47,801 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 52 [2021-02-24 00:08:48,779 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 53 [2021-02-24 00:08:49,507 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 57 [2021-02-24 00:08:50,294 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 54 [2021-02-24 00:08:51,121 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 58 [2021-02-24 00:08:51,979 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 57 [2021-02-24 00:08:52,749 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 56 [2021-02-24 00:08:53,478 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2021-02-24 00:08:54,326 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 56 [2021-02-24 00:08:55,188 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 53 [2021-02-24 00:08:56,294 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 214 DAG size of output: 56 [2021-02-24 00:08:57,081 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 60 [2021-02-24 00:08:58,136 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 185 DAG size of output: 63 [2021-02-24 00:08:59,222 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 185 DAG size of output: 65 [2021-02-24 00:09:00,313 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 215 DAG size of output: 57 [2021-02-24 00:09:01,411 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 214 DAG size of output: 56 [2021-02-24 00:09:02,103 WARN L202 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2021-02-24 00:09:05,182 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:09:06,260 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 211 DAG size of output: 53 [2021-02-24 00:09:09,236 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:09:10,315 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 211 DAG size of output: 53 [2021-02-24 00:09:13,286 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:09:14,165 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 56 [2021-02-24 00:09:15,141 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 56 [2021-02-24 00:09:15,847 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2021-02-24 00:09:16,855 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:09:17,881 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:09:18,888 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:09:19,467 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 43 [2021-02-24 00:09:21,392 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:22,376 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:23,364 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:24,337 WARN L202 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:26,266 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:27,184 WARN L202 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-02-24 00:09:30,271 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:09:33,357 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:09:35,225 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:09:36,179 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:38,112 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 319 DAG size of output: 62 [2021-02-24 00:09:38,731 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:09:40,576 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:42,435 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:43,374 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:45,211 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:46,193 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:09:48,042 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:49,883 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:09:50,507 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:09:51,445 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:52,388 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:09:53,498 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 230 DAG size of output: 57 [2021-02-24 00:09:54,546 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 215 DAG size of output: 57 [2021-02-24 00:09:57,496 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:09:59,301 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:09:59,920 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:10:00,865 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:10:02,727 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:10:03,360 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 56 [2021-02-24 00:10:04,086 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 54 [2021-02-24 00:10:04,905 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 56 [2021-02-24 00:10:05,603 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 57 [2021-02-24 00:10:06,360 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 56 [2021-02-24 00:10:07,054 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 53 [2021-02-24 00:10:09,939 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:10:12,822 WARN L202 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:10:15,706 WARN L202 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:10:16,467 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2021-02-24 00:10:17,474 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 68 [2021-02-24 00:10:18,402 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 54 [2021-02-24 00:10:19,271 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 58 [2021-02-24 00:10:20,029 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 55 [2021-02-24 00:10:20,797 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 60 [2021-02-24 00:10:21,931 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 215 DAG size of output: 57 [2021-02-24 00:10:22,736 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 63 [2021-02-24 00:10:23,936 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 214 DAG size of output: 53 [2021-02-24 00:10:24,754 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 57 [2021-02-24 00:10:25,960 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 212 DAG size of output: 57 [2021-02-24 00:10:26,715 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 55 [2021-02-24 00:10:27,405 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 58 [2021-02-24 00:10:28,617 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 184 DAG size of output: 60 [2021-02-24 00:10:29,549 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 57 [2021-02-24 00:10:30,553 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 44 [2021-02-24 00:10:31,516 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:10:33,399 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:10:35,210 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:10:38,262 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:10:41,297 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:10:42,229 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 53 [2021-02-24 00:10:42,885 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 51 [2021-02-24 00:10:43,887 WARN L202 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 56 [2021-02-24 00:10:44,713 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 57 [2021-02-24 00:10:45,445 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2021-02-24 00:10:46,266 WARN L202 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 56 [2021-02-24 00:10:47,059 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 60 [2021-02-24 00:10:47,874 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 56 [2021-02-24 00:10:50,809 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:10:51,521 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2021-02-24 00:10:52,463 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 54 [2021-02-24 00:10:53,387 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 56 [2021-02-24 00:10:56,346 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:10:58,259 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:10:58,901 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:10:59,889 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:00,868 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:02,794 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:11:03,780 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:05,694 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:11:08,021 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 356 DAG size of output: 69 [2021-02-24 00:11:08,727 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:09,553 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 56 [2021-02-24 00:11:10,387 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 58 [2021-02-24 00:11:11,638 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 214 DAG size of output: 59 [2021-02-24 00:11:12,744 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 212 DAG size of output: 54 [2021-02-24 00:11:15,822 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:11:18,905 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:11:20,019 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 216 DAG size of output: 62 [2021-02-24 00:11:21,115 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 215 DAG size of output: 57 [2021-02-24 00:11:21,878 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 58 [2021-02-24 00:11:24,896 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:11:27,895 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:11:28,626 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 53 [2021-02-24 00:11:29,628 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:29,732 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2021-02-24 00:11:31,685 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:11:33,738 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 319 DAG size of output: 62 [2021-02-24 00:11:35,702 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:11:36,716 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:37,723 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:38,734 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:40,704 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:11:41,717 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:11:43,693 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:11:46,748 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:11:49,808 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:11:50,839 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 208 DAG size of output: 61 [2021-02-24 00:11:51,563 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2021-02-24 00:11:54,637 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:11:55,517 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 72 [2021-02-24 00:11:56,363 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2021-02-24 00:11:57,563 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 57 [2021-02-24 00:11:58,395 WARN L202 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-02-24 00:11:59,650 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 185 DAG size of output: 67 [2021-02-24 00:12:00,448 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 56 [2021-02-24 00:12:01,586 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 212 DAG size of output: 54 [2021-02-24 00:12:02,940 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 223 DAG size of output: 64 [2021-02-24 00:12:03,704 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 49 [2021-02-24 00:12:04,449 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 57 [2021-02-24 00:12:05,602 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 67 [2021-02-24 00:12:06,476 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2021-02-24 00:12:07,212 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2021-02-24 00:12:08,018 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2021-02-24 00:12:09,344 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 216 DAG size of output: 53 [2021-02-24 00:12:10,489 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 227 DAG size of output: 64 [2021-02-24 00:12:11,310 WARN L202 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 55 [2021-02-24 00:12:12,162 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 58 [2021-02-24 00:12:13,119 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 52 [2021-02-24 00:12:14,144 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 187 DAG size of output: 58 [2021-02-24 00:12:14,948 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 54 [2021-02-24 00:12:18,061 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:12:21,175 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:12:24,291 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:12:25,050 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 57 [2021-02-24 00:12:26,275 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 230 DAG size of output: 57 [2021-02-24 00:12:27,117 WARN L202 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 56 [2021-02-24 00:12:30,253 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:12:33,385 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:12:36,540 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:12:38,498 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:13:00,456 WARN L202 SmtUtils]: Spent 21.92 s on a formula simplification. DAG size of input: 705 DAG size of output: 198 [2021-02-24 00:13:22,765 WARN L202 SmtUtils]: Spent 22.28 s on a formula simplification. DAG size of input: 704 DAG size of output: 198 [2021-02-24 00:13:23,481 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:13:26,092 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 356 DAG size of output: 69 [2021-02-24 00:13:27,492 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 212 DAG size of output: 57 [2021-02-24 00:13:28,523 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 58 [2021-02-24 00:13:29,818 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 230 DAG size of output: 57 [2021-02-24 00:13:30,845 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 56 [2021-02-24 00:13:31,851 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 58 [2021-02-24 00:13:32,746 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2021-02-24 00:13:33,660 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2021-02-24 00:13:34,511 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 57 [2021-02-24 00:13:35,240 WARN L202 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:13:37,336 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:13:38,081 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:13:40,257 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:13:42,444 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 316 DAG size of output: 58 [2021-02-24 00:13:44,660 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:13:45,829 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:13:46,974 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:13:48,120 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:13:50,329 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:13:51,287 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2021-02-24 00:13:52,581 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2021-02-24 00:13:53,539 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2021-02-24 00:13:54,436 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 54 [2021-02-24 00:13:55,469 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 213 DAG size of output: 54 [2021-02-24 00:13:56,234 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 53 [2021-02-24 00:13:57,997 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 222 DAG size of output: 64 [2021-02-24 00:13:58,926 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 59 [2021-02-24 00:13:59,966 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 210 DAG size of output: 53 [2021-02-24 00:14:02,163 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:14:04,412 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:05,154 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:14:06,338 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:14:07,101 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:14:09,351 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:10,113 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:14:12,389 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:14,650 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:16,841 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:14:19,042 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2021-02-24 00:14:21,410 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 319 DAG size of output: 59 [2021-02-24 00:14:23,693 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:24,463 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:14:25,229 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:14:26,449 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:14:28,762 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:29,854 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 220 DAG size of output: 52 [2021-02-24 00:14:33,393 WARN L202 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:14:36,944 WARN L202 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:14:38,049 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 210 DAG size of output: 53 [2021-02-24 00:14:39,142 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 184 DAG size of output: 58 [2021-02-24 00:14:42,729 WARN L202 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:14:46,386 WARN L202 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 402 DAG size of output: 75 [2021-02-24 00:14:47,778 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2021-02-24 00:14:49,050 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 193 DAG size of output: 56 [2021-02-24 00:14:50,014 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 56 [2021-02-24 00:14:51,681 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 216 DAG size of output: 54 [2021-02-24 00:14:52,942 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 184 DAG size of output: 55 [2021-02-24 00:14:54,183 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:14:56,621 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:58,995 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 315 DAG size of output: 57 [2021-02-24 00:14:59,793 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2021-02-24 00:15:00,887 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 191 DAG size of output: 55 [2021-02-24 00:15:01,924 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 188 DAG size of output: 51 [2021-02-24 00:15:02,934 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 180 DAG size of output: 55 [2021-02-24 00:15:03,846 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 54 [2021-02-24 00:15:04,907 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 211 DAG size of output: 56 [2021-02-24 00:15:08,745 WARN L202 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 410 DAG size of output: 73 [2021-02-24 00:15:10,413 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 212 DAG size of output: 57 [2021-02-24 00:15:11,530 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 182 DAG size of output: 57 [2021-02-24 00:15:12,524 WARN L202 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 52 [2021-02-24 00:15:13,952 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 214 DAG size of output: 56 [2021-02-24 00:15:15,060 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 186 DAG size of output: 57 [2021-02-24 00:15:15,904 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 53 [2021-02-24 00:15:16,998 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 181 DAG size of output: 64 [2021-02-24 00:15:17,999 WARN L202 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2021-02-24 00:15:18,894 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 51 [2021-02-24 00:15:20,522 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 187 DAG size of output: 70 [2021-02-24 00:15:21,672 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 185 DAG size of output: 56 [2021-02-24 00:15:22,978 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 202 DAG size of output: 51 [2021-02-24 00:15:24,329 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 202 DAG size of output: 51