/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:09:29,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:09:29,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:09:29,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 23:09:29,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 23:09:29,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 23:09:29,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 23:09:29,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 23:09:29,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 23:09:29,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 23:09:29,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 23:09:29,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 23:09:29,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:09:29,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:09:29,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:09:29,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:09:29,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:09:29,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:09:29,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:09:29,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:09:29,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:09:29,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:09:29,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:09:29,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:09:29,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 23:09:29,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 23:09:29,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 23:09:29,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 23:09:29,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 23:09:29,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 23:09:29,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 23:09:29,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 23:09:29,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 23:09:29,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 23:09:29,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 23:09:29,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 23:09:29,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 23:09:29,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 23:09:29,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:09:29,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:09:29,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:09:29,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:09:29,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:09:29,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:09:29,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:09:29,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:09:29,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:09:29,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:09:29,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:09:29,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:09:29,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:09:29,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:09:29,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:09:29,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:09:29,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:09:29,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:09:29,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:09:29,400 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:09:29,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:09:29,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:09:29,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:09:29,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:09:29,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:09:29,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:09:29,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:09:29,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:09:29,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:09:29,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:09:29,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:09:29,902 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:09:29,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2021-02-23 23:09:30,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6edbaec86/a04b659288b84daf892b48cb23132665/FLAGc69ae2649 [2021-02-23 23:09:30,758 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:09:30,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2021-02-23 23:09:30,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6edbaec86/a04b659288b84daf892b48cb23132665/FLAGc69ae2649 [2021-02-23 23:09:31,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6edbaec86/a04b659288b84daf892b48cb23132665 [2021-02-23 23:09:31,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:09:31,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:09:31,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:09:31,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:09:31,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:09:31,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5b63d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31, skipping insertion in model container [2021-02-23 23:09:31,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:09:31,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:09:31,625 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/Problem01_label08.c[19599,19612] [2021-02-23 23:09:31,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:09:31,685 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:09:31,768 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/Problem01_label08.c[19599,19612] [2021-02-23 23:09:31,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:09:31,798 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:09:31,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31 WrapperNode [2021-02-23 23:09:31,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:09:31,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:09:31,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:09:31,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:09:31,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (1/1) ... [2021-02-23 23:09:31,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:09:31,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:09:31,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:09:31,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:09:31,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (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 [2021-02-23 23:09:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:09:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:09:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:09:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:09:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:09:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:09:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:09:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:09:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:09:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:09:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:09:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:09:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:09:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:09:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:09:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:09:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:09:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:09:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:09:33,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:09:33,574 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:09:33,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:09:33 BoogieIcfgContainer [2021-02-23 23:09:33,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:09:33,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:09:33,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:09:33,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:09:33,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:09:31" (1/3) ... [2021-02-23 23:09:33,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5248900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:09:33, skipping insertion in model container [2021-02-23 23:09:33,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:31" (2/3) ... [2021-02-23 23:09:33,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5248900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:09:33, skipping insertion in model container [2021-02-23 23:09:33,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:09:33" (3/3) ... [2021-02-23 23:09:33,587 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2021-02-23 23:09:33,595 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:09:33,601 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:09:33,621 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:09:33,647 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:09:33,648 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:09:33,648 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:09:33,648 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:09:33,648 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:09:33,648 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:09:33,648 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:09:33,649 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:09:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-23 23:09:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-02-23 23:09:33,702 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:33,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:33,704 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:33,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:33,711 INFO L82 PathProgramCache]: Analyzing trace with hash 332034931, now seen corresponding path program 1 times [2021-02-23 23:09:33,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:33,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297418769] [2021-02-23 23:09:33,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:34,305 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:09:34,307 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:09:34,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:34,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:34,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:34,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:34,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:34,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297418769] [2021-02-23 23:09:34,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:09:34,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:09:34,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552265592] [2021-02-23 23:09:34,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:09:34,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:34,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:09:34,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:09:34,567 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-23 23:09:37,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:37,968 INFO L93 Difference]: Finished difference Result 1369 states and 1904 transitions. [2021-02-23 23:09:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 23:09:37,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2021-02-23 23:09:37,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:37,994 INFO L225 Difference]: With dead ends: 1369 [2021-02-23 23:09:37,995 INFO L226 Difference]: Without dead ends: 789 [2021-02-23 23:09:38,006 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 [2021-02-23 23:09:38,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2021-02-23 23:09:38,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 754. [2021-02-23 23:09:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2021-02-23 23:09:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 922 transitions. [2021-02-23 23:09:38,269 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 922 transitions. Word has length 149 [2021-02-23 23:09:38,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:38,270 INFO L480 AbstractCegarLoop]: Abstraction has 754 states and 922 transitions. [2021-02-23 23:09:38,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:09:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 922 transitions. [2021-02-23 23:09:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-23 23:09:38,279 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:38,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:38,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:09:38,280 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:38,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:38,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1331822259, now seen corresponding path program 1 times [2021-02-23 23:09:38,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:38,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441349934] [2021-02-23 23:09:38,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,542 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-23 23:09:38,543 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-23 23:09:38,554 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-23 23:09:38,555 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-23 23:09:38,560 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-02-23 23:09:38,561 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-02-23 23:09:38,579 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-02-23 23:09:38,581 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-02-23 23:09:38,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:38,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:38,725 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:09:38,726 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:09:38,738 WARN L141 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size [2021-02-23 23:09:38,739 WARN L147 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size 10 [2021-02-23 23:09:38,752 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-23 23:09:38,753 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-23 23:09:38,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:38,810 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-23 23:09:38,811 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-23 23:09:38,813 WARN L141 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-02-23 23:09:38,814 WARN L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-02-23 23:09:38,829 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-23 23:09:38,830 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-23 23:09:38,849 WARN L141 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-02-23 23:09:38,850 WARN L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-02-23 23:09:38,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:38,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441349934] [2021-02-23 23:09:38,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:38,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-23 23:09:38,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303553198] [2021-02-23 23:09:38,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 23:09:38,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:38,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 23:09:38,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:09:38,981 INFO L87 Difference]: Start difference. First operand 754 states and 922 transitions. Second operand 11 states. [2021-02-23 23:09:39,187 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-23 23:09:39,663 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-23 23:09:40,278 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-23 23:09:45,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:45,290 INFO L93 Difference]: Finished difference Result 2960 states and 3991 transitions. [2021-02-23 23:09:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:09:45,291 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2021-02-23 23:09:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:45,308 INFO L225 Difference]: With dead ends: 2960 [2021-02-23 23:09:45,308 INFO L226 Difference]: Without dead ends: 1971 [2021-02-23 23:09:45,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:09:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2021-02-23 23:09:45,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1476. [2021-02-23 23:09:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2021-02-23 23:09:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1796 transitions. [2021-02-23 23:09:45,718 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1796 transitions. Word has length 170 [2021-02-23 23:09:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:45,718 INFO L480 AbstractCegarLoop]: Abstraction has 1476 states and 1796 transitions. [2021-02-23 23:09:45,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 23:09:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1796 transitions. [2021-02-23 23:09:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-02-23 23:09:45,727 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:45,728 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:45,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:09:45,728 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:45,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1141437113, now seen corresponding path program 1 times [2021-02-23 23:09:45,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:45,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286360317] [2021-02-23 23:09:45,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:45,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:45,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:45,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:45,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:45,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:45,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:45,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:09:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:45,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:45,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-02-23 23:09:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:45,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:45,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 23:09:46,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286360317] [2021-02-23 23:09:46,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:46,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:09:46,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798844754] [2021-02-23 23:09:46,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:09:46,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:46,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:09:46,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:09:46,056 INFO L87 Difference]: Start difference. First operand 1476 states and 1796 transitions. Second operand 7 states. [2021-02-23 23:09:49,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:49,068 INFO L93 Difference]: Finished difference Result 3706 states and 4610 transitions. [2021-02-23 23:09:49,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:09:49,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2021-02-23 23:09:49,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:49,088 INFO L225 Difference]: With dead ends: 3706 [2021-02-23 23:09:49,088 INFO L226 Difference]: Without dead ends: 2262 [2021-02-23 23:09:49,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:09:49,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2021-02-23 23:09:49,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 1928. [2021-02-23 23:09:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1928 states. [2021-02-23 23:09:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2300 transitions. [2021-02-23 23:09:49,611 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2300 transitions. Word has length 225 [2021-02-23 23:09:49,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:49,611 INFO L480 AbstractCegarLoop]: Abstraction has 1928 states and 2300 transitions. [2021-02-23 23:09:49,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:09:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2300 transitions. [2021-02-23 23:09:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-02-23 23:09:49,621 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:49,622 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:49,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:09:49,622 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:49,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:49,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1471194692, now seen corresponding path program 1 times [2021-02-23 23:09:49,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:49,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376387916] [2021-02-23 23:09:49,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:49,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:49,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:49,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:49,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:49,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:49,930 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:09:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:49,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:49,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:49,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:49,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:49,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:09:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:49,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:49,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:49,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-02-23 23:09:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:50,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:50,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:50,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:50,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-02-23 23:09:50,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376387916] [2021-02-23 23:09:50,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:50,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:09:50,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996441341] [2021-02-23 23:09:50,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:09:50,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:50,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:09:50,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:09:50,134 INFO L87 Difference]: Start difference. First operand 1928 states and 2300 transitions. Second operand 7 states. [2021-02-23 23:09:51,250 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:09:53,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:53,031 INFO L93 Difference]: Finished difference Result 4249 states and 5317 transitions. [2021-02-23 23:09:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:09:53,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2021-02-23 23:09:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:53,056 INFO L225 Difference]: With dead ends: 4249 [2021-02-23 23:09:53,056 INFO L226 Difference]: Without dead ends: 2494 [2021-02-23 23:09:53,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:09:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2021-02-23 23:09:53,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2263. [2021-02-23 23:09:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2021-02-23 23:09:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2718 transitions. [2021-02-23 23:09:53,592 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2718 transitions. Word has length 236 [2021-02-23 23:09:53,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:53,593 INFO L480 AbstractCegarLoop]: Abstraction has 2263 states and 2718 transitions. [2021-02-23 23:09:53,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:09:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2718 transitions. [2021-02-23 23:09:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-02-23 23:09:53,604 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:53,604 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:53,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:09:53,605 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:53,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:53,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1091025851, now seen corresponding path program 1 times [2021-02-23 23:09:53,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:53,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111654295] [2021-02-23 23:09:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:53,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:53,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:53,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:53,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:09:53,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:53,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:53,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:53,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:53,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:53,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:09:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:53,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:53,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:53,836 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:09:53,838 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:09:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-02-23 23:09:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:53,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:53,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:09:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-02-23 23:09:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:53,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:53,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 124 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-02-23 23:09:54,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111654295] [2021-02-23 23:09:54,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:54,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:09:54,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265542764] [2021-02-23 23:09:54,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:09:54,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:54,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:09:54,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:09:54,028 INFO L87 Difference]: Start difference. First operand 2263 states and 2718 transitions. Second operand 10 states. [2021-02-23 23:09:54,420 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-02-23 23:09:54,931 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-23 23:09:55,675 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-02-23 23:09:56,725 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-23 23:10:01,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:01,281 INFO L93 Difference]: Finished difference Result 7409 states and 9255 transitions. [2021-02-23 23:10:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-23 23:10:01,282 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 261 [2021-02-23 23:10:01,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:01,317 INFO L225 Difference]: With dead ends: 7409 [2021-02-23 23:10:01,317 INFO L226 Difference]: Without dead ends: 5319 [2021-02-23 23:10:01,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 23:10:01,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2021-02-23 23:10:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 4280. [2021-02-23 23:10:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2021-02-23 23:10:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5009 transitions. [2021-02-23 23:10:02,301 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5009 transitions. Word has length 261 [2021-02-23 23:10:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:02,302 INFO L480 AbstractCegarLoop]: Abstraction has 4280 states and 5009 transitions. [2021-02-23 23:10:02,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:10:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5009 transitions. [2021-02-23 23:10:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-02-23 23:10:02,322 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:02,323 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:02,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:10:02,323 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:02,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:02,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1576732006, now seen corresponding path program 1 times [2021-02-23 23:10:02,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:02,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186778615] [2021-02-23 23:10:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:02,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:02,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:02,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:02,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:02,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:02,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:02,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:02,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:10:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:02,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:02,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-02-23 23:10:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:02,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:10:02,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-02-23 23:10:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 23:10:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:02,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:02,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 32 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-02-23 23:10:02,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186778615] [2021-02-23 23:10:02,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:02,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:10:02,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660398683] [2021-02-23 23:10:02,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:10:02,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:02,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:10:02,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:10:02,742 INFO L87 Difference]: Start difference. First operand 4280 states and 5009 transitions. Second operand 8 states. [2021-02-23 23:10:03,120 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:07,310 INFO L93 Difference]: Finished difference Result 9941 states and 11696 transitions. [2021-02-23 23:10:07,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:10:07,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 324 [2021-02-23 23:10:07,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:07,348 INFO L225 Difference]: With dead ends: 9941 [2021-02-23 23:10:07,348 INFO L226 Difference]: Without dead ends: 4980 [2021-02-23 23:10:07,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:10:07,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2021-02-23 23:10:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 3849. [2021-02-23 23:10:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3849 states. [2021-02-23 23:10:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3849 states and 4326 transitions. [2021-02-23 23:10:08,265 INFO L78 Accepts]: Start accepts. Automaton has 3849 states and 4326 transitions. Word has length 324 [2021-02-23 23:10:08,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:08,266 INFO L480 AbstractCegarLoop]: Abstraction has 3849 states and 4326 transitions. [2021-02-23 23:10:08,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:10:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 4326 transitions. [2021-02-23 23:10:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-02-23 23:10:08,284 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:08,284 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:08,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:10:08,285 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:08,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:08,285 INFO L82 PathProgramCache]: Analyzing trace with hash -576262814, now seen corresponding path program 1 times [2021-02-23 23:10:08,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:08,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080309161] [2021-02-23 23:10:08,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:08,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:08,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:08,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:08,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:08,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:08,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:08,491 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:10:08,492 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:10:08,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:10:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:08,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:10:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 23:10:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 23:10:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:08,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-23 23:10:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:08,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:08,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:08,704 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 180 proven. 61 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-02-23 23:10:08,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080309161] [2021-02-23 23:10:08,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:08,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:10:08,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439308509] [2021-02-23 23:10:08,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:10:08,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:08,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:10:08,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:10:08,706 INFO L87 Difference]: Start difference. First operand 3849 states and 4326 transitions. Second operand 8 states. [2021-02-23 23:10:09,328 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-23 23:10:10,250 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:12,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:12,418 INFO L93 Difference]: Finished difference Result 7934 states and 8928 transitions. [2021-02-23 23:10:12,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:10:12,418 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 335 [2021-02-23 23:10:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:12,445 INFO L225 Difference]: With dead ends: 7934 [2021-02-23 23:10:12,445 INFO L226 Difference]: Without dead ends: 4258 [2021-02-23 23:10:12,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 23:10:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4258 states. [2021-02-23 23:10:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4258 to 4179. [2021-02-23 23:10:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4179 states. [2021-02-23 23:10:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 4179 states and 4666 transitions. [2021-02-23 23:10:13,572 INFO L78 Accepts]: Start accepts. Automaton has 4179 states and 4666 transitions. Word has length 335 [2021-02-23 23:10:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:13,573 INFO L480 AbstractCegarLoop]: Abstraction has 4179 states and 4666 transitions. [2021-02-23 23:10:13,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:10:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 4666 transitions. [2021-02-23 23:10:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-02-23 23:10:13,589 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:13,589 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:13,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:10:13,590 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:13,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:13,590 INFO L82 PathProgramCache]: Analyzing trace with hash -276564193, now seen corresponding path program 1 times [2021-02-23 23:10:13,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:13,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037692108] [2021-02-23 23:10:13,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:13,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:13,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:13,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:13,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:10:13,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:13,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:13,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:13,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:13,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:13,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:10:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:13,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:13,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:13,869 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:10:13,870 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:10:13,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-02-23 23:10:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:13,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:13,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-02-23 23:10:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:13,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:13,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:13,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-02-23 23:10:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:14,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:14,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 248 proven. 40 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-02-23 23:10:14,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037692108] [2021-02-23 23:10:14,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:14,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:10:14,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273730314] [2021-02-23 23:10:14,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:10:14,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:14,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:10:14,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:10:14,101 INFO L87 Difference]: Start difference. First operand 4179 states and 4666 transitions. Second operand 10 states. [2021-02-23 23:10:14,984 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:10:15,472 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-02-23 23:10:15,747 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-23 23:10:15,904 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-23 23:10:17,117 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-23 23:10:17,877 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:10:18,617 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-23 23:10:19,047 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:20,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:20,916 INFO L93 Difference]: Finished difference Result 9926 states and 11200 transitions. [2021-02-23 23:10:20,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 23:10:20,917 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 368 [2021-02-23 23:10:20,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:20,951 INFO L225 Difference]: With dead ends: 9926 [2021-02-23 23:10:20,951 INFO L226 Difference]: Without dead ends: 5771 [2021-02-23 23:10:20,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2021-02-23 23:10:20,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2021-02-23 23:10:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 5686. [2021-02-23 23:10:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5686 states. [2021-02-23 23:10:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5686 states to 5686 states and 6218 transitions. [2021-02-23 23:10:22,331 INFO L78 Accepts]: Start accepts. Automaton has 5686 states and 6218 transitions. Word has length 368 [2021-02-23 23:10:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:22,332 INFO L480 AbstractCegarLoop]: Abstraction has 5686 states and 6218 transitions. [2021-02-23 23:10:22,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:10:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5686 states and 6218 transitions. [2021-02-23 23:10:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-02-23 23:10:22,351 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:22,352 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:22,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:10:22,352 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:22,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:22,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1394974617, now seen corresponding path program 1 times [2021-02-23 23:10:22,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:22,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251514457] [2021-02-23 23:10:22,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:22,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:22,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:10:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:22,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-23 23:10:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-02-23 23:10:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-02-23 23:10:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:22,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:22,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 264 proven. 79 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-02-23 23:10:22,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251514457] [2021-02-23 23:10:22,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:22,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:10:22,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640752311] [2021-02-23 23:10:22,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:10:22,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:10:22,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:10:22,882 INFO L87 Difference]: Start difference. First operand 5686 states and 6218 transitions. Second operand 7 states. [2021-02-23 23:10:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:26,044 INFO L93 Difference]: Finished difference Result 11312 states and 12362 transitions. [2021-02-23 23:10:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:10:26,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 386 [2021-02-23 23:10:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:26,072 INFO L225 Difference]: With dead ends: 11312 [2021-02-23 23:10:26,072 INFO L226 Difference]: Without dead ends: 5799 [2021-02-23 23:10:26,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:10:26,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5799 states. [2021-02-23 23:10:27,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5799 to 5747. [2021-02-23 23:10:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5747 states. [2021-02-23 23:10:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5747 states to 5747 states and 6203 transitions. [2021-02-23 23:10:27,488 INFO L78 Accepts]: Start accepts. Automaton has 5747 states and 6203 transitions. Word has length 386 [2021-02-23 23:10:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:27,488 INFO L480 AbstractCegarLoop]: Abstraction has 5747 states and 6203 transitions. [2021-02-23 23:10:27,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:10:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5747 states and 6203 transitions. [2021-02-23 23:10:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-02-23 23:10:27,498 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:27,498 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:27,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:10:27,499 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:27,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:27,499 INFO L82 PathProgramCache]: Analyzing trace with hash 336232781, now seen corresponding path program 1 times [2021-02-23 23:10:27,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:27,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183155089] [2021-02-23 23:10:27,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:27,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:27,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:27,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:27,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:27,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:27,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:27,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:27,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:27,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:10:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:27,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:27,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:10:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:27,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:10:27,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 23:10:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-02-23 23:10:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:27,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:27,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 293 proven. 32 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-02-23 23:10:28,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183155089] [2021-02-23 23:10:28,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:28,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:10:28,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568028362] [2021-02-23 23:10:28,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:10:28,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:28,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:10:28,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:10:28,104 INFO L87 Difference]: Start difference. First operand 5747 states and 6203 transitions. Second operand 8 states. [2021-02-23 23:10:29,407 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:31,857 INFO L93 Difference]: Finished difference Result 11529 states and 12447 transitions. [2021-02-23 23:10:31,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:10:31,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 408 [2021-02-23 23:10:31,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:31,885 INFO L225 Difference]: With dead ends: 11529 [2021-02-23 23:10:31,885 INFO L226 Difference]: Without dead ends: 5955 [2021-02-23 23:10:31,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 23:10:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2021-02-23 23:10:33,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5898. [2021-02-23 23:10:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5898 states. [2021-02-23 23:10:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5898 states to 5898 states and 6345 transitions. [2021-02-23 23:10:33,179 INFO L78 Accepts]: Start accepts. Automaton has 5898 states and 6345 transitions. Word has length 408 [2021-02-23 23:10:33,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:33,179 INFO L480 AbstractCegarLoop]: Abstraction has 5898 states and 6345 transitions. [2021-02-23 23:10:33,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:10:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5898 states and 6345 transitions. [2021-02-23 23:10:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-02-23 23:10:33,193 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:33,193 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:33,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:10:33,194 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:33,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:33,194 INFO L82 PathProgramCache]: Analyzing trace with hash -382780952, now seen corresponding path program 1 times [2021-02-23 23:10:33,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:33,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237871900] [2021-02-23 23:10:33,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:33,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:33,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:10:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:10:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-02-23 23:10:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-02-23 23:10:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:33,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:33,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-02-23 23:10:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:33,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:33,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:33,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:10:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 455 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-02-23 23:10:33,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [237871900] [2021-02-23 23:10:33,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:33,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:10:33,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801080242] [2021-02-23 23:10:33,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:10:33,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:33,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:10:33,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:10:33,823 INFO L87 Difference]: Start difference. First operand 5898 states and 6345 transitions. Second operand 7 states. [2021-02-23 23:10:34,027 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:10:37,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:37,351 INFO L93 Difference]: Finished difference Result 11761 states and 12702 transitions. [2021-02-23 23:10:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:10:37,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 429 [2021-02-23 23:10:37,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:37,361 INFO L225 Difference]: With dead ends: 11761 [2021-02-23 23:10:37,362 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:10:37,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:10:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:10:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:10:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:10:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:10:37,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 429 [2021-02-23 23:10:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:37,386 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:10:37,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:10:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:10:37,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:10:37,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:10:37,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:10:39,254 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:10:39,405 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:10:51,037 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:11:31,830 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:11:36,243 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:11:36,920 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:11:37,324 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:12:21,742 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:12:21,861 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:12:21,965 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:12:22,068 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:12:40,067 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 203 [2021-02-23 23:12:49,776 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:12:50,633 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:12:52,517 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:12:53,190 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:12:55,135 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:12:57,079 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:12:59,004 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:12:59,787 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:13:00,638 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:13:01,492 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:13:03,425 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:13:05,308 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:06,103 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:13:07,019 WARN L202 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2021-02-23 23:13:07,610 WARN L202 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2021-02-23 23:13:08,526 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 68 [2021-02-23 23:13:09,579 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 202 DAG size of output: 69 [2021-02-23 23:13:10,221 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 60 [2021-02-23 23:13:10,794 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2021-02-23 23:13:11,590 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:13:13,491 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:14,390 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2021-02-23 23:13:15,015 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 61 [2021-02-23 23:13:15,582 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2021-02-23 23:13:17,482 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:18,049 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2021-02-23 23:13:18,728 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 70 [2021-02-23 23:13:19,516 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:13:20,403 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:13:21,281 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:13:22,152 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:13:24,045 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:25,259 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 221 DAG size of output: 74 [2021-02-23 23:13:25,876 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:13:26,519 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 60 [2021-02-23 23:13:27,076 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2021-02-23 23:13:27,860 WARN L202 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2021-02-23 23:13:29,772 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:30,507 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 67 [2021-02-23 23:13:31,064 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:13:32,098 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2021-02-23 23:13:32,742 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 60 [2021-02-23 23:13:33,372 WARN L202 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:13:35,277 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:36,228 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 67 [2021-02-23 23:13:36,902 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:13:37,842 WARN L202 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 72 [2021-02-23 23:13:38,447 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:13:39,803 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 222 DAG size of output: 74 [2021-02-23 23:13:40,872 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 213 DAG size of output: 66 [2021-02-23 23:13:41,563 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:13:42,416 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 67 [2021-02-23 23:13:43,220 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:13:45,151 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:45,798 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2021-02-23 23:13:46,365 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2021-02-23 23:13:47,080 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 68 [2021-02-23 23:13:48,995 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:50,930 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:51,500 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2021-02-23 23:13:53,493 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:55,418 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:13:56,394 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 70 [2021-02-23 23:13:56,961 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2021-02-23 23:13:57,642 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:13:58,520 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:14:00,444 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:01,258 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:14:03,221 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:14:05,199 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:14:07,162 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:14:08,030 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:14:08,973 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:14:09,882 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 67 [2021-02-23 23:14:11,045 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 160 DAG size of output: 72 [2021-02-23 23:14:11,792 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2021-02-23 23:14:13,731 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:15,658 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:16,235 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:14:17,290 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2021-02-23 23:14:18,239 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:14:19,177 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:14:19,768 WARN L202 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 62 [2021-02-23 23:14:20,662 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 65 [2021-02-23 23:14:21,503 WARN L202 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 66 [2021-02-23 23:14:22,202 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2021-02-23 23:14:24,139 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:24,941 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2021-02-23 23:14:25,630 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 68 [2021-02-23 23:14:27,579 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:29,521 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:30,338 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:14:31,013 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 64 [2021-02-23 23:14:32,953 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:34,893 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:36,071 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 203 DAG size of output: 69 [2021-02-23 23:14:36,753 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:14:37,432 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:14:39,384 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:40,065 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:14:40,605 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2021-02-23 23:14:42,583 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:14:44,572 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:14:45,779 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 212 DAG size of output: 73 [2021-02-23 23:14:46,977 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 161 DAG size of output: 71 [2021-02-23 23:14:48,935 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:49,611 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2021-02-23 23:14:51,559 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:52,139 WARN L202 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2021-02-23 23:14:52,944 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2021-02-23 23:14:53,875 WARN L202 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 68 [2021-02-23 23:14:54,533 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:14:56,501 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:14:57,153 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:14:58,045 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2021-02-23 23:15:00,002 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:00,940 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-02-23 23:15:01,863 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 67 [2021-02-23 23:15:02,795 WARN L202 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:15:04,818 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:15:05,366 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2021-02-23 23:15:06,072 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:15:06,748 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:15:07,457 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2021-02-23 23:15:09,429 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:10,034 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:15:10,832 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 62 [2021-02-23 23:15:11,685 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:15:12,657 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2021-02-23 23:15:14,040 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 166 DAG size of output: 83 [2021-02-23 23:15:15,005 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:15:15,901 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:15:16,563 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:15:17,424 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:15:18,269 WARN L202 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:15:19,246 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:15:21,222 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:22,328 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 213 DAG size of output: 66 [2021-02-23 23:15:22,966 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2021-02-23 23:15:23,961 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:15:24,928 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2021-02-23 23:15:25,732 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 62 [2021-02-23 23:15:26,414 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 65 [2021-02-23 23:15:28,396 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:29,293 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:15:31,270 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:31,936 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:15:32,629 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:15:33,327 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:15:35,351 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:15:36,249 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:15:38,263 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:15:39,058 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 67 [2021-02-23 23:15:41,045 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:43,023 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:43,827 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 62 [2021-02-23 23:15:44,494 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:15:45,631 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:15:46,621 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2021-02-23 23:15:47,216 WARN L202 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2021-02-23 23:15:49,205 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:49,904 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:15:51,931 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:15:53,923 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:15:55,951 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:15:56,788 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:15:58,822 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:15:59,527 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:16:00,368 WARN L202 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:16:01,066 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:16:03,105 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:16:04,014 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:16:04,961 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:16:05,748 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2021-02-23 23:16:06,825 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 226 DAG size of output: 68 [2021-02-23 23:16:07,692 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:16:08,571 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 66 [2021-02-23 23:16:09,522 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2021-02-23 23:16:11,537 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:12,277 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2021-02-23 23:16:12,980 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:16:13,587 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:16:14,193 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2021-02-23 23:16:16,203 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:17,120 WARN L202 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:16:19,182 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:16:21,203 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:22,050 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:16:22,659 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2021-02-23 23:16:23,388 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2021-02-23 23:16:24,180 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2021-02-23 23:16:24,783 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 59 [2021-02-23 23:16:25,784 WARN L202 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:16:26,510 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:16:27,518 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2021-02-23 23:16:29,535 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:30,207 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2021-02-23 23:16:32,228 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:32,837 WARN L202 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2021-02-23 23:16:34,246 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 164 DAG size of output: 79 [2021-02-23 23:16:36,271 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:37,003 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2021-02-23 23:16:37,815 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 69 [2021-02-23 23:16:38,765 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 67 [2021-02-23 23:16:39,642 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2021-02-23 23:16:40,296 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2021-02-23 23:16:42,324 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:43,123 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:16:44,217 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2021-02-23 23:16:45,156 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 65 [2021-02-23 23:16:46,188 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 154 DAG size of output: 69 [2021-02-23 23:16:46,992 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2021-02-23 23:16:47,599 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2021-02-23 23:16:48,456 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:16:50,506 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:16:51,138 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2021-02-23 23:16:51,954 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:16:52,811 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:16:53,498 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:16:54,386 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2021-02-23 23:16:55,175 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2021-02-23 23:16:56,115 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:16:57,208 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2021-02-23 23:16:58,757 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 165 DAG size of output: 79 [2021-02-23 23:17:00,989 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:01,785 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:17:02,462 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2021-02-23 23:17:03,225 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2021-02-23 23:17:04,865 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 208 DAG size of output: 70 [2021-02-23 23:17:05,924 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2021-02-23 23:17:06,908 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:17:07,916 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2021-02-23 23:17:08,609 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 59 [2021-02-23 23:17:09,373 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:17:11,609 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:17:13,816 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:16,066 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:17:17,021 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:17:17,999 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:17:18,742 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:17:20,960 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:17:21,637 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 64 [2021-02-23 23:17:23,018 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2021-02-23 23:17:23,910 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2021-02-23 23:17:24,684 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2021-02-23 23:17:25,406 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2021-02-23 23:17:27,552 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:28,610 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:17:30,779 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:31,845 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2021-02-23 23:17:32,778 WARN L202 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2021-02-23 23:17:33,390 WARN L202 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2021-02-23 23:17:34,123 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2021-02-23 23:17:34,894 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 68 [2021-02-23 23:17:35,835 WARN L202 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:17:36,450 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:17:38,538 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:40,602 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:41,499 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:17:42,496 WARN L202 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2021-02-23 23:17:43,486 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:17:45,632 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:46,384 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2021-02-23 23:17:47,086 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2021-02-23 23:17:48,106 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:17:48,974 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2021-02-23 23:17:49,712 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:17:50,728 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2021-02-23 23:17:51,442 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2021-02-23 23:17:53,638 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:17:54,534 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2021-02-23 23:17:55,172 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:17:56,114 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:17:58,175 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:00,229 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:01,223 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-02-23 23:18:02,104 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2021-02-23 23:18:03,265 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 170 DAG size of output: 64 [2021-02-23 23:18:04,267 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 69 [2021-02-23 23:18:05,181 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 65 [2021-02-23 23:18:06,165 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 71 [2021-02-23 23:18:06,976 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2021-02-23 23:18:07,748 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2021-02-23 23:18:08,930 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 180 DAG size of output: 74 [2021-02-23 23:18:09,917 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2021-02-23 23:18:10,895 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:18:11,940 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2021-02-23 23:18:14,049 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:14,826 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 70 [2021-02-23 23:18:15,816 WARN L202 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2021-02-23 23:18:16,769 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2021-02-23 23:18:17,689 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2021-02-23 23:18:18,575 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:18:19,453 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:18:20,140 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 66 [2021-02-23 23:18:21,014 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2021-02-23 23:18:21,746 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2021-02-23 23:18:22,780 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-02-23 23:18:23,524 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2021-02-23 23:18:24,329 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2021-02-23 23:18:25,231 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 62 [2021-02-23 23:18:26,146 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:18:27,015 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:18:27,931 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2021-02-23 23:18:30,047 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:31,096 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-02-23 23:18:33,289 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:33,944 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:18:34,673 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2021-02-23 23:18:35,553 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2021-02-23 23:18:35,704 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2021-02-23 23:18:36,471 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2021-02-23 23:18:38,730 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:39,835 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 173 DAG size of output: 70 [2021-02-23 23:18:41,032 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2021-02-23 23:18:42,177 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 156 DAG size of output: 71 [2021-02-23 23:18:43,198 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2021-02-23 23:18:43,964 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:18:45,052 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2021-02-23 23:18:46,094 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:18:46,894 WARN L202 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2021-02-23 23:18:49,096 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:51,274 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:52,076 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2021-02-23 23:18:52,902 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 71 [2021-02-23 23:18:53,671 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:18:54,599 WARN L202 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:18:56,783 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:58,963 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:18:59,902 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:19:00,935 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:19:03,210 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:19:03,986 WARN L202 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:19:04,989 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:19:05,762 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:19:07,962 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:19:08,704 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:19:10,897 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:19:11,870 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:19:14,071 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:19:14,797 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:19:16,988 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:19:17,714 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2021-02-23 23:19:19,902 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:19:20,878 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:19:23,063 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:19:25,250 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:19:26,261 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:19:28,480 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:19:29,404 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:19:30,408 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:19:31,413 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:19:33,663 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:19:45,292 WARN L202 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 389 DAG size of output: 174 [2021-02-23 23:19:56,983 WARN L202 SmtUtils]: Spent 11.66 s on a formula simplification. DAG size of input: 389 DAG size of output: 174 [2021-02-23 23:19:58,738 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 221 DAG size of output: 71 [2021-02-23 23:19:59,669 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 65 [2021-02-23 23:20:00,544 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 71 [2021-02-23 23:20:01,893 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 69 [2021-02-23 23:20:02,688 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2021-02-23 23:20:04,948 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:05,938 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:20:08,140 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:10,376 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:11,358 WARN L202 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2021-02-23 23:20:13,555 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:14,540 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:20:15,494 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:20:17,709 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:18,963 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 202 DAG size of output: 69 [2021-02-23 23:20:19,896 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 62 [2021-02-23 23:20:20,688 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2021-02-23 23:20:21,847 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2021-02-23 23:20:22,822 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 66 [2021-02-23 23:20:23,769 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 65 [2021-02-23 23:20:25,962 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:27,115 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 155 DAG size of output: 70 [2021-02-23 23:20:29,338 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:30,402 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 162 DAG size of output: 67 [2021-02-23 23:20:31,317 WARN L202 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 66 [2021-02-23 23:20:32,082 WARN L202 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:20:34,276 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:34,993 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:20:36,007 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:20:38,240 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:20:40,518 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:20:42,798 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:20:43,576 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:20:44,368 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:20:45,106 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:20:45,950 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2021-02-23 23:20:48,191 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:49,477 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 224 DAG size of output: 65 [2021-02-23 23:20:51,706 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:20:52,497 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2021-02-23 23:20:53,605 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2021-02-23 23:20:54,819 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 215 DAG size of output: 67 [2021-02-23 23:20:55,908 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2021-02-23 23:20:58,121 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:00,328 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:01,267 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:21:02,215 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:21:03,156 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:21:04,084 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2021-02-23 23:21:06,297 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:08,478 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:09,845 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:21:12,088 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:13,590 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2021-02-23 23:21:14,736 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2021-02-23 23:21:15,987 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2021-02-23 23:21:17,095 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2021-02-23 23:21:19,385 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:21,636 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:22,693 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2021-02-23 23:21:23,739 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2021-02-23 23:21:24,629 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2021-02-23 23:21:26,888 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:28,016 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:21:28,965 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 68 [2021-02-23 23:21:29,730 WARN L202 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:21:31,971 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:33,042 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:21:34,080 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 201 DAG size of output: 74 [2021-02-23 23:21:35,032 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:21:35,829 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 63 [2021-02-23 23:21:38,107 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 282 DAG size of output: 82 [2021-02-23 23:21:39,008 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:21:40,015 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 66 [2021-02-23 23:21:41,035 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2021-02-23 23:21:42,120 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 174 DAG size of output: 68 [2021-02-23 23:21:44,393 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:46,659 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:47,443 WARN L202 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2021-02-23 23:21:48,640 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 69 [2021-02-23 23:21:49,327 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2021-02-23 23:21:50,124 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:21:52,393 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:21:53,510 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:21:54,703 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2021-02-23 23:21:55,775 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2021-02-23 23:21:56,748 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:21:57,437 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:21:59,692 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:22:00,752 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 152 DAG size of output: 63 [2021-02-23 23:22:01,440 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 59 [2021-02-23 23:22:02,341 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2021-02-23 23:22:03,468 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2021-02-23 23:22:04,238 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2021-02-23 23:22:05,192 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2021-02-23 23:22:06,250 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2021-02-23 23:22:07,254 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2021-02-23 23:22:09,529 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:22:10,571 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 152 DAG size of output: 63 [2021-02-23 23:22:11,327 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2021-02-23 23:22:13,608 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:22:15,872 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:22:16,833 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2021-02-23 23:22:17,944 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2021-02-23 23:22:18,850 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 67 [2021-02-23 23:22:20,067 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 71 [2021-02-23 23:22:21,396 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 72 [2021-02-23 23:22:22,260 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 68 [2021-02-23 23:22:24,538 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 283 DAG size of output: 81 [2021-02-23 23:22:25,369 WARN L202 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2021-02-23 23:22:26,074 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2021-02-23 23:22:27,140 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2021-02-23 23:22:28,238 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2021-02-23 23:22:29,368 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2021-02-23 23:22:30,278 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2021-02-23 23:22:31,075 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:22:32,050 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64