/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 01:35:52,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 01:35:52,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 01:35:52,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 01:35:52,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 01:35:52,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 01:35:52,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 01:35:52,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 01:35:52,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 01:35:52,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 01:35:52,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 01:35:52,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 01:35:52,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 01:35:52,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 01:35:52,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 01:35:52,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 01:35:52,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 01:35:52,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 01:35:52,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 01:35:52,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 01:35:52,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 01:35:52,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 01:35:52,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 01:35:52,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 01:35:52,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 01:35:52,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 01:35:52,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 01:35:52,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 01:35:52,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 01:35:52,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 01:35:52,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 01:35:52,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 01:35:52,301 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 01:35:52,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 01:35:52,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 01:35:52,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 01:35:52,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 01:35:52,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 01:35:52,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 01:35:52,304 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 01:35:52,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 01:35:52,304 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 01:35:52,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 01:35:52,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 01:35:52,305 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 01:35:52,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 01:35:52,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 01:35:52,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 01:35:52,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 01:35:52,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 01:35:52,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 01:35:52,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 01:35:52,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 01:35:52,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 01:35:52,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 01:35:52,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 01:35:52,803 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 01:35:52,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-11-07 01:35:52,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1565f4eb2/09d409a1b89a4be9b089eed2cca3f1d6/FLAG34214e84f [2020-11-07 01:35:53,610 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 01:35:53,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-11-07 01:35:53,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1565f4eb2/09d409a1b89a4be9b089eed2cca3f1d6/FLAG34214e84f [2020-11-07 01:35:53,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1565f4eb2/09d409a1b89a4be9b089eed2cca3f1d6 [2020-11-07 01:35:53,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 01:35:53,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 01:35:53,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 01:35:53,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 01:35:53,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 01:35:53,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:53" (1/1) ... [2020-11-07 01:35:53,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75aa3bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:53, skipping insertion in model container [2020-11-07 01:35:53,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:53" (1/1) ... [2020-11-07 01:35:53,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 01:35:53,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 01:35:54,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:35:54,414 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 01:35:54,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:35:54,570 INFO L208 MainTranslator]: Completed translation [2020-11-07 01:35:54,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54 WrapperNode [2020-11-07 01:35:54,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 01:35:54,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 01:35:54,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 01:35:54,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 01:35:54,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... [2020-11-07 01:35:54,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 01:35:54,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 01:35:54,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 01:35:54,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 01:35:54,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 01:35:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 01:35:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 01:35:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 01:35:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 01:35:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 01:35:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 01:35:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 01:35:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 01:35:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 01:35:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 01:35:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 01:35:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 01:35:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 01:35:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 01:35:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 01:35:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 01:35:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 01:35:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 01:35:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 01:35:56,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 01:35:56,359 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 01:35:56,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:56 BoogieIcfgContainer [2020-11-07 01:35:56,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 01:35:56,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 01:35:56,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 01:35:56,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 01:35:56,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:53" (1/3) ... [2020-11-07 01:35:56,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1693df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:56, skipping insertion in model container [2020-11-07 01:35:56,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:54" (2/3) ... [2020-11-07 01:35:56,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1693df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:56, skipping insertion in model container [2020-11-07 01:35:56,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:56" (3/3) ... [2020-11-07 01:35:56,373 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-11-07 01:35:56,390 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 01:35:56,395 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 01:35:56,408 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 01:35:56,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 01:35:56,436 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 01:35:56,436 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 01:35:56,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 01:35:56,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 01:35:56,437 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 01:35:56,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 01:35:56,437 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 01:35:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 01:35:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 01:35:56,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:35:56,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:35:56,497 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:35:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:35:56,503 INFO L82 PathProgramCache]: Analyzing trace with hash 646682619, now seen corresponding path program 1 times [2020-11-07 01:35:56,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:35:56,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912735449] [2020-11-07 01:35:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:35:56,595 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 01:35:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:35:57,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:35:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:35:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:35:57,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912735449] [2020-11-07 01:35:57,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:35:57,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 01:35:57,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487302730] [2020-11-07 01:35:57,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 01:35:57,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:35:57,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 01:35:57,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 01:35:57,304 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 4 states. [2020-11-07 01:35:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:35:59,910 INFO L93 Difference]: Finished difference Result 1219 states and 1666 transitions. [2020-11-07 01:35:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 01:35:59,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-11-07 01:35:59,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:35:59,935 INFO L225 Difference]: With dead ends: 1219 [2020-11-07 01:35:59,936 INFO L226 Difference]: Without dead ends: 637 [2020-11-07 01:35:59,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 01:35:59,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-11-07 01:36:00,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2020-11-07 01:36:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-11-07 01:36:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 760 transitions. [2020-11-07 01:36:00,178 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 760 transitions. Word has length 167 [2020-11-07 01:36:00,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:36:00,180 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 760 transitions. [2020-11-07 01:36:00,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 01:36:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 760 transitions. [2020-11-07 01:36:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-07 01:36:00,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:36:00,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:36:00,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 01:36:00,189 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:36:00,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:36:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1659307516, now seen corresponding path program 1 times [2020-11-07 01:36:00,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:36:00,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022452635] [2020-11-07 01:36:00,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:36:00,415 WARN L194 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 45 [2020-11-07 01:36:00,831 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:36:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:36:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:36:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:36:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:36:02,084 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-07 01:36:02,417 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-07 01:36:02,744 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-11-07 01:36:02,958 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-07 01:36:03,211 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:36:03,472 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-07 01:36:03,954 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-11-07 01:36:04,293 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-07 01:36:04,616 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-07 01:36:05,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022452635] [2020-11-07 01:36:05,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:36:05,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2020-11-07 01:36:05,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774357747] [2020-11-07 01:36:05,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-11-07 01:36:05,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:36:05,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-11-07 01:36:05,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 01:36:05,557 INFO L87 Difference]: Start difference. First operand 624 states and 760 transitions. Second operand 36 states. [2020-11-07 01:36:06,236 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-07 01:36:06,363 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-11-07 01:36:06,613 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2020-11-07 01:36:06,863 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2020-11-07 01:36:07,113 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-11-07 01:36:07,445 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2020-11-07 01:36:07,923 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-11-07 01:36:08,348 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2020-11-07 01:36:08,810 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-11-07 01:36:09,479 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-11-07 01:36:10,278 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 139 [2020-11-07 01:36:10,735 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 01:36:11,007 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-11-07 01:36:11,243 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-11-07 01:36:11,672 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-11-07 01:36:11,963 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2020-11-07 01:36:12,194 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-11-07 01:36:12,514 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-11-07 01:36:13,146 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-11-07 01:36:13,714 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2020-11-07 01:36:14,036 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-07 01:36:14,517 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-11-07 01:36:15,128 WARN L194 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-11-07 01:36:15,541 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-11-07 01:36:16,292 WARN L194 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2020-11-07 01:36:17,105 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2020-11-07 01:36:17,429 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2020-11-07 01:36:17,800 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 126 [2020-11-07 01:36:18,207 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2020-11-07 01:36:18,647 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2020-11-07 01:36:19,122 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2020-11-07 01:36:19,660 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2020-11-07 01:36:20,569 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2020-11-07 01:36:21,527 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2020-11-07 01:36:21,737 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-11-07 01:36:22,616 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2020-11-07 01:36:22,815 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-11-07 01:36:23,049 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-07 01:36:23,714 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-11-07 01:36:23,974 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-11-07 01:36:24,663 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2020-11-07 01:36:24,959 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-07 01:36:25,280 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-11-07 01:36:25,463 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-11-07 01:36:25,824 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-07 01:36:26,192 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-07 01:36:26,612 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-11-07 01:36:27,016 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-11-07 01:36:27,460 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-11-07 01:36:27,950 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-11-07 01:36:28,492 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-07 01:36:28,919 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-07 01:36:33,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:36:33,202 INFO L93 Difference]: Finished difference Result 1740 states and 2203 transitions. [2020-11-07 01:36:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2020-11-07 01:36:33,202 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 201 [2020-11-07 01:36:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:36:33,214 INFO L225 Difference]: With dead ends: 1740 [2020-11-07 01:36:33,214 INFO L226 Difference]: Without dead ends: 1133 [2020-11-07 01:36:33,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5819 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=2443, Invalid=12809, Unknown=0, NotChecked=0, Total=15252 [2020-11-07 01:36:33,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2020-11-07 01:36:33,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 981. [2020-11-07 01:36:33,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2020-11-07 01:36:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1234 transitions. [2020-11-07 01:36:33,567 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1234 transitions. Word has length 201 [2020-11-07 01:36:33,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:36:33,568 INFO L481 AbstractCegarLoop]: Abstraction has 981 states and 1234 transitions. [2020-11-07 01:36:33,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-11-07 01:36:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1234 transitions. [2020-11-07 01:36:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-11-07 01:36:33,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:36:33,575 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:36:33,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 01:36:33,575 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:36:33,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:36:33,576 INFO L82 PathProgramCache]: Analyzing trace with hash 579556094, now seen corresponding path program 1 times [2020-11-07 01:36:33,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:36:33,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962621012] [2020-11-07 01:36:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:36:33,793 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 48 [2020-11-07 01:36:34,066 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:36:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:36:34,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:36:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:36:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:36:35,026 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-11-07 01:36:35,424 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-07 01:36:35,753 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-07 01:36:36,109 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-11-07 01:36:36,328 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-07 01:36:36,571 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:36:36,866 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-07 01:36:37,356 WARN L194 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-11-07 01:36:37,655 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-07 01:36:37,982 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-07 01:36:38,351 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-07 01:36:38,555 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2020-11-07 01:36:39,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962621012] [2020-11-07 01:36:39,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:36:39,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2020-11-07 01:36:39,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556231680] [2020-11-07 01:36:39,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-11-07 01:36:39,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:36:39,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-11-07 01:36:39,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2020-11-07 01:36:39,390 INFO L87 Difference]: Start difference. First operand 981 states and 1234 transitions. Second operand 37 states. [2020-11-07 01:36:39,758 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 01:36:40,302 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 100 [2020-11-07 01:36:40,573 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 113 [2020-11-07 01:36:40,739 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-11-07 01:36:41,111 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2020-11-07 01:36:41,539 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 117 [2020-11-07 01:36:41,942 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-11-07 01:36:42,581 WARN L194 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2020-11-07 01:36:43,227 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-11-07 01:36:43,676 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2020-11-07 01:36:44,195 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2020-11-07 01:36:44,748 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-11-07 01:36:45,136 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-11-07 01:36:45,579 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2020-11-07 01:36:45,862 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2020-11-07 01:36:46,384 WARN L194 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2020-11-07 01:36:46,800 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2020-11-07 01:36:47,378 WARN L194 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2020-11-07 01:36:47,911 WARN L194 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2020-11-07 01:36:48,775 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2020-11-07 01:36:49,211 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2020-11-07 01:36:50,110 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 139 [2020-11-07 01:36:50,363 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 45 [2020-11-07 01:36:50,857 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2020-11-07 01:36:51,511 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-11-07 01:36:52,242 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-11-07 01:36:53,035 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2020-11-07 01:36:53,655 WARN L194 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-11-07 01:36:54,419 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 147 [2020-11-07 01:36:55,347 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-11-07 01:36:56,277 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 142 [2020-11-07 01:36:57,107 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2020-11-07 01:36:57,980 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2020-11-07 01:36:58,139 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-07 01:36:58,967 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 149 [2020-11-07 01:36:59,162 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-07 01:37:00,055 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-11-07 01:37:00,284 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-11-07 01:37:00,659 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-07 01:37:00,839 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-11-07 01:37:01,120 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-11-07 01:37:01,321 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:37:01,611 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-07 01:37:01,942 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-11-07 01:37:02,252 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-07 01:37:02,603 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-11-07 01:37:03,039 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-11-07 01:37:03,477 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-07 01:37:04,036 WARN L194 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-11-07 01:37:04,427 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-11-07 01:37:04,883 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-11-07 01:37:05,376 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-07 01:37:05,887 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-11-07 01:37:06,442 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-07 01:37:07,173 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-11-07 01:37:07,347 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-11-07 01:37:07,537 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-11-07 01:37:07,842 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-07 01:37:08,130 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-11-07 01:37:08,450 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-07 01:37:08,750 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-11-07 01:37:09,203 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-07 01:37:09,631 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-07 01:37:10,028 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-11-07 01:37:10,510 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-11-07 01:37:11,024 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-11-07 01:37:11,495 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-11-07 01:37:11,985 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-07 01:37:12,596 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-07 01:37:13,191 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-11-07 01:37:15,645 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-11-07 01:37:21,212 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-11-07 01:37:24,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:37:24,529 INFO L93 Difference]: Finished difference Result 4630 states and 6968 transitions. [2020-11-07 01:37:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2020-11-07 01:37:24,530 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 202 [2020-11-07 01:37:24,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:37:24,575 INFO L225 Difference]: With dead ends: 4630 [2020-11-07 01:37:24,575 INFO L226 Difference]: Without dead ends: 3679 [2020-11-07 01:37:24,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15868 ImplicationChecksByTransitivity, 38.5s TimeCoverageRelationStatistics Valid=5131, Invalid=33089, Unknown=0, NotChecked=0, Total=38220 [2020-11-07 01:37:24,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3679 states. [2020-11-07 01:37:25,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3679 to 3308. [2020-11-07 01:37:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3308 states. [2020-11-07 01:37:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 3308 states and 4272 transitions. [2020-11-07 01:37:25,902 INFO L78 Accepts]: Start accepts. Automaton has 3308 states and 4272 transitions. Word has length 202 [2020-11-07 01:37:25,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:37:25,903 INFO L481 AbstractCegarLoop]: Abstraction has 3308 states and 4272 transitions. [2020-11-07 01:37:25,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-11-07 01:37:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 4272 transitions. [2020-11-07 01:37:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-07 01:37:25,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:37:25,922 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:37:25,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 01:37:25,922 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:37:25,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:37:25,923 INFO L82 PathProgramCache]: Analyzing trace with hash 294882418, now seen corresponding path program 1 times [2020-11-07 01:37:25,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:37:25,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128206209] [2020-11-07 01:37:25,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:37:26,254 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2020-11-07 01:37:26,895 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:37:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:37:27,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:37:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:37:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:37:28,825 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-07 01:37:29,555 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-07 01:37:30,191 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-07 01:37:30,912 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-11-07 01:37:31,609 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-07 01:37:33,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128206209] [2020-11-07 01:37:33,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:37:33,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2020-11-07 01:37:33,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947227216] [2020-11-07 01:37:33,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-11-07 01:37:33,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:37:33,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-11-07 01:37:33,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=759, Unknown=0, NotChecked=0, Total=1056 [2020-11-07 01:37:33,738 INFO L87 Difference]: Start difference. First operand 3308 states and 4272 transitions. Second operand 31 states. [2020-11-07 01:37:34,528 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-07 01:37:34,678 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-07 01:37:34,852 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-07 01:37:35,167 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-11-07 01:37:35,389 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-07 01:37:35,636 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-11-07 01:37:36,822 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-11-07 01:37:37,254 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:37:37,437 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:37:38,002 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-07 01:37:38,209 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-07 01:37:38,616 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-07 01:37:40,023 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-07 01:37:40,333 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-11-07 01:37:40,662 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-11-07 01:37:40,840 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-07 01:37:41,043 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-07 01:37:41,196 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-07 01:37:41,412 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-07 01:37:41,652 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-11-07 01:37:41,904 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-11-07 01:37:42,167 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-07 01:37:42,493 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-07 01:37:42,854 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-11-07 01:37:43,157 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-07 01:37:46,327 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-11-07 01:37:50,603 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-07 01:37:50,920 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-07 01:37:51,425 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:37:51,714 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:37:51,896 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-07 01:37:52,085 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:37:52,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:37:52,402 INFO L93 Difference]: Finished difference Result 8623 states and 12570 transitions. [2020-11-07 01:37:52,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2020-11-07 01:37:52,403 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 234 [2020-11-07 01:37:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:37:52,459 INFO L225 Difference]: With dead ends: 8623 [2020-11-07 01:37:52,459 INFO L226 Difference]: Without dead ends: 5495 [2020-11-07 01:37:52,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 39 SyntacticMatches, 28 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5369 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=2038, Invalid=10394, Unknown=0, NotChecked=0, Total=12432 [2020-11-07 01:37:52,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2020-11-07 01:37:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 3629. [2020-11-07 01:37:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3629 states. [2020-11-07 01:37:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3629 states and 4652 transitions. [2020-11-07 01:37:54,043 INFO L78 Accepts]: Start accepts. Automaton has 3629 states and 4652 transitions. Word has length 234 [2020-11-07 01:37:54,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:37:54,043 INFO L481 AbstractCegarLoop]: Abstraction has 3629 states and 4652 transitions. [2020-11-07 01:37:54,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-11-07 01:37:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 4652 transitions. [2020-11-07 01:37:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-11-07 01:37:54,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:37:54,064 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:37:54,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 01:37:54,065 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:37:54,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:37:54,065 INFO L82 PathProgramCache]: Analyzing trace with hash -88491246, now seen corresponding path program 1 times [2020-11-07 01:37:54,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:37:54,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377078385] [2020-11-07 01:37:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:37:54,286 WARN L194 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2020-11-07 01:37:54,522 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2020-11-07 01:37:56,080 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:37:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:37:56,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:37:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:37:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:37:58,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377078385] [2020-11-07 01:37:58,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:37:58,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-11-07 01:37:58,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761834605] [2020-11-07 01:37:58,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-11-07 01:37:58,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:37:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-11-07 01:37:58,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2020-11-07 01:37:58,268 INFO L87 Difference]: Start difference. First operand 3629 states and 4652 transitions. Second operand 27 states. [2020-11-07 01:37:58,997 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-07 01:37:59,123 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-07 01:37:59,256 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-07 01:37:59,781 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-07 01:37:59,935 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-07 01:38:00,245 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:38:01,931 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-07 01:38:02,158 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-07 01:38:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:38:09,610 INFO L93 Difference]: Finished difference Result 8945 states and 11720 transitions. [2020-11-07 01:38:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 01:38:09,611 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 262 [2020-11-07 01:38:09,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:38:09,647 INFO L225 Difference]: With dead ends: 8945 [2020-11-07 01:38:09,647 INFO L226 Difference]: Without dead ends: 5496 [2020-11-07 01:38:09,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 71 SyntacticMatches, 22 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=609, Invalid=2147, Unknown=0, NotChecked=0, Total=2756 [2020-11-07 01:38:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5496 states. [2020-11-07 01:38:11,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5496 to 4276. [2020-11-07 01:38:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2020-11-07 01:38:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 5345 transitions. [2020-11-07 01:38:11,357 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 5345 transitions. Word has length 262 [2020-11-07 01:38:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:38:11,358 INFO L481 AbstractCegarLoop]: Abstraction has 4276 states and 5345 transitions. [2020-11-07 01:38:11,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-11-07 01:38:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 5345 transitions. [2020-11-07 01:38:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-11-07 01:38:11,378 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:38:11,378 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:38:11,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 01:38:11,379 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:38:11,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:38:11,379 INFO L82 PathProgramCache]: Analyzing trace with hash -511848291, now seen corresponding path program 1 times [2020-11-07 01:38:11,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:38:11,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021077269] [2020-11-07 01:38:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:38:11,592 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2020-11-07 01:38:11,831 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2020-11-07 01:38:12,077 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2020-11-07 01:38:13,610 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:38:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:38:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:38:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:38:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:38:14,489 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-11-07 01:38:16,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021077269] [2020-11-07 01:38:16,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:38:16,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2020-11-07 01:38:16,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618376156] [2020-11-07 01:38:16,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-11-07 01:38:16,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:38:16,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-11-07 01:38:16,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=856, Unknown=0, NotChecked=0, Total=1122 [2020-11-07 01:38:16,645 INFO L87 Difference]: Start difference. First operand 4276 states and 5345 transitions. Second operand 30 states. [2020-11-07 01:38:17,395 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-11-07 01:38:17,660 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-07 01:38:17,838 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-07 01:38:18,077 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-11-07 01:38:19,475 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:38:19,650 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:38:19,839 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-07 01:38:20,333 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-07 01:38:25,575 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-07 01:38:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:38:30,396 INFO L93 Difference]: Finished difference Result 10277 states and 13299 transitions. [2020-11-07 01:38:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 01:38:30,397 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 288 [2020-11-07 01:38:30,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:38:30,404 INFO L225 Difference]: With dead ends: 10277 [2020-11-07 01:38:30,405 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 01:38:30,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 73 SyntacticMatches, 43 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2066 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=597, Invalid=2265, Unknown=0, NotChecked=0, Total=2862 [2020-11-07 01:38:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 01:38:30,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 01:38:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 01:38:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 01:38:30,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2020-11-07 01:38:30,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:38:30,441 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 01:38:30,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-11-07 01:38:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 01:38:30,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 01:38:30,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 01:38:30,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 01:38:31,225 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2020-11-07 01:38:31,353 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 157 [2020-11-07 01:38:31,612 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 164 [2020-11-07 01:38:31,849 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 163 [2020-11-07 01:38:32,012 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 161 [2020-11-07 01:38:32,267 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 161 [2020-11-07 01:38:32,401 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 163 [2020-11-07 01:38:32,542 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 162 [2020-11-07 01:38:32,693 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2020-11-07 01:38:32,843 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2020-11-07 01:38:33,089 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 172 [2020-11-07 01:38:33,427 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2020-11-07 01:38:33,877 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2020-11-07 01:38:34,171 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 112 [2020-11-07 01:38:34,881 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2020-11-07 01:38:36,092 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 160 [2020-11-07 01:38:36,388 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2020-11-07 01:38:36,594 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2020-11-07 01:38:37,690 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 159 [2020-11-07 01:38:39,125 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2020-11-07 01:38:40,528 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2020-11-07 01:38:42,215 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 161 [2020-11-07 01:38:45,240 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2020-11-07 01:38:51,994 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 172 [2020-11-07 01:38:57,812 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:38:57,920 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:38:58,031 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:38:58,139 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:38:58,243 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:38:59,310 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:38:59,419 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 172 [2020-11-07 01:39:09,061 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 172 [2020-11-07 01:39:33,277 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 277 [2020-11-07 01:40:26,754 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 277 [2020-11-07 01:41:28,427 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 193 [2020-11-07 01:41:28,775 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 204 [2020-11-07 01:41:29,108 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 204 [2020-11-07 01:41:29,454 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 193 [2020-11-07 01:41:29,629 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 202 [2020-11-07 01:41:29,912 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 207 [2020-11-07 01:41:30,054 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 198 [2020-11-07 01:41:30,277 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 210 [2020-11-07 01:41:30,496 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 203 [2020-11-07 01:41:30,659 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2020-11-07 01:41:30,875 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 205 [2020-11-07 01:41:30,998 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2020-11-07 01:41:31,310 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 209 [2020-11-07 01:41:31,457 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-11-07 01:41:31,619 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 198 [2020-11-07 01:41:31,812 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 205 [2020-11-07 01:41:31,921 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 206 [2020-11-07 01:41:32,082 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 212 [2020-11-07 01:41:32,388 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 172 [2020-11-07 01:41:32,739 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2020-11-07 01:41:33,029 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2020-11-07 01:41:33,217 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 209 [2020-11-07 01:41:33,381 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 201 [2020-11-07 01:41:33,568 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 208 [2020-11-07 01:41:33,687 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 201 [2020-11-07 01:41:33,879 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 205 [2020-11-07 01:41:34,094 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 202 [2020-11-07 01:41:34,378 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 207 [2020-11-07 01:41:34,526 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 198 [2020-11-07 01:41:34,741 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 210 [2020-11-07 01:41:34,954 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 203 [2020-11-07 01:41:35,085 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2020-11-07 01:41:35,263 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 205 [2020-11-07 01:41:35,385 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2020-11-07 01:41:35,691 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 209 [2020-11-07 01:41:35,837 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-11-07 01:41:35,996 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 198 [2020-11-07 01:41:36,193 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 205 [2020-11-07 01:41:36,302 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 206 [2020-11-07 01:41:36,462 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 212 [2020-11-07 01:41:36,768 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 172 [2020-11-07 01:41:37,119 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2020-11-07 01:41:37,405 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2020-11-07 01:41:37,588 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 209 [2020-11-07 01:41:37,756 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 201 [2020-11-07 01:41:37,941 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 208 [2020-11-07 01:41:38,060 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 201 [2020-11-07 01:41:38,250 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 205 [2020-11-07 01:41:58,983 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-11-07 01:41:59,509 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 72 [2020-11-07 01:41:59,777 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 140 [2020-11-07 01:42:00,073 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 152 [2020-11-07 01:42:27,300 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 139 [2020-11-07 01:42:45,255 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:42:46,081 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 64 [2020-11-07 01:42:49,965 WARN L194 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:42:50,900 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 95 [2020-11-07 01:42:51,368 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:42:55,188 WARN L194 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:42:59,008 WARN L194 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:02,834 WARN L194 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:03,298 WARN L194 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:43:03,766 WARN L194 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:43:04,232 WARN L194 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:43:08,131 WARN L194 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:09,151 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 162 DAG size of output: 86 [2020-11-07 01:43:10,316 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 260 DAG size of output: 59 [2020-11-07 01:43:12,435 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 251 DAG size of output: 106 [2020-11-07 01:43:13,468 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 172 DAG size of output: 82 [2020-11-07 01:43:14,556 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 161 DAG size of output: 93 [2020-11-07 01:43:15,524 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 85 [2020-11-07 01:43:16,503 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 88 [2020-11-07 01:43:17,669 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 178 DAG size of output: 111 [2020-11-07 01:43:18,427 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 77 [2020-11-07 01:43:22,303 WARN L194 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:26,166 WARN L194 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:26,819 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 65 [2020-11-07 01:43:27,801 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 91 [2020-11-07 01:43:28,271 WARN L194 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:43:28,766 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:43:32,654 WARN L194 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:34,073 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 263 DAG size of output: 83 [2020-11-07 01:43:35,495 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 243 DAG size of output: 51 [2020-11-07 01:43:38,574 WARN L194 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 372 DAG size of output: 93 [2020-11-07 01:43:40,545 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 274 DAG size of output: 91 [2020-11-07 01:43:42,140 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 227 DAG size of output: 119 [2020-11-07 01:43:43,800 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 251 DAG size of output: 111 [2020-11-07 01:43:44,427 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 01:43:45,208 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 80 [2020-11-07 01:43:49,178 WARN L194 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:50,509 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 176 DAG size of output: 91 [2020-11-07 01:43:51,078 WARN L194 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2020-11-07 01:43:55,000 WARN L194 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:43:56,487 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 251 DAG size of output: 115 [2020-11-07 01:43:57,993 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 254 DAG size of output: 101 [2020-11-07 01:44:01,936 WARN L194 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:03,929 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 194 DAG size of output: 129 [2020-11-07 01:44:05,279 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 232 DAG size of output: 66 [2020-11-07 01:44:07,315 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 335 DAG size of output: 77 [2020-11-07 01:44:10,509 WARN L194 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 377 DAG size of output: 96 [2020-11-07 01:44:11,953 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 183 DAG size of output: 108 [2020-11-07 01:44:13,260 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 243 DAG size of output: 105 [2020-11-07 01:44:14,554 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 183 DAG size of output: 89 [2020-11-07 01:44:15,362 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-11-07 01:44:16,485 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 217 DAG size of output: 105 [2020-11-07 01:44:18,653 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 196 DAG size of output: 133 [2020-11-07 01:44:19,350 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-11-07 01:44:20,740 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 199 DAG size of output: 97 [2020-11-07 01:44:22,690 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 267 DAG size of output: 118 [2020-11-07 01:44:23,466 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 77 [2020-11-07 01:44:27,445 WARN L194 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:31,425 WARN L194 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:35,418 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:37,854 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 286 DAG size of output: 91 [2020-11-07 01:44:38,702 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2020-11-07 01:44:42,681 WARN L194 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:43,886 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 260 DAG size of output: 59 [2020-11-07 01:44:44,362 WARN L194 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:44:45,542 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 113 [2020-11-07 01:44:49,523 WARN L194 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:50,011 WARN L194 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:44:54,018 WARN L194 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:44:58,006 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:02,042 WARN L194 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:02,552 WARN L194 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:45:04,213 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 188 DAG size of output: 118 [2020-11-07 01:45:08,242 WARN L194 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:10,053 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 272 DAG size of output: 97 [2020-11-07 01:45:12,279 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 286 DAG size of output: 106 [2020-11-07 01:45:13,387 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 164 DAG size of output: 88 [2020-11-07 01:45:13,784 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 30 [2020-11-07 01:45:15,325 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 176 DAG size of output: 111 [2020-11-07 01:45:16,862 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 250 DAG size of output: 105 [2020-11-07 01:45:18,240 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 180 DAG size of output: 113 [2020-11-07 01:45:22,290 WARN L194 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:26,361 WARN L194 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:26,973 WARN L194 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 52 [2020-11-07 01:45:27,836 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2020-11-07 01:45:28,633 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 01:45:29,932 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 197 DAG size of output: 102 [2020-11-07 01:45:32,062 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 289 DAG size of output: 107 [2020-11-07 01:45:36,092 WARN L194 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:40,189 WARN L194 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:44,301 WARN L194 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:46,461 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 213 DAG size of output: 116 [2020-11-07 01:45:46,991 WARN L194 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:45:47,509 WARN L194 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:45:51,639 WARN L194 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:45:52,154 WARN L194 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:45:56,276 WARN L194 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:00,367 WARN L194 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:01,191 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 01:46:01,829 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 54 [2020-11-07 01:46:03,568 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 254 DAG size of output: 106 [2020-11-07 01:46:05,330 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 218 DAG size of output: 133 [2020-11-07 01:46:07,844 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 286 DAG size of output: 91 [2020-11-07 01:46:11,977 WARN L194 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:13,729 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 254 DAG size of output: 106 [2020-11-07 01:46:17,864 WARN L194 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:19,283 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 260 DAG size of output: 63 [2020-11-07 01:46:19,693 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 30 [2020-11-07 01:46:21,211 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 246 DAG size of output: 115 [2020-11-07 01:46:25,312 WARN L194 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:29,459 WARN L194 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:33,613 WARN L194 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:34,441 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 78 [2020-11-07 01:46:35,987 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 246 DAG size of output: 115 [2020-11-07 01:46:37,212 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 180 DAG size of output: 103 [2020-11-07 01:46:41,420 WARN L194 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:46:41,932 WARN L194 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:46:42,460 WARN L194 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:46:42,970 WARN L194 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:46:45,312 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 277 DAG size of output: 102 [2020-11-07 01:46:46,959 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 183 DAG size of output: 115 [2020-11-07 01:46:49,098 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 274 DAG size of output: 91 [2020-11-07 01:46:51,545 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 291 DAG size of output: 82 [2020-11-07 01:46:52,444 WARN L194 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 80 [2020-11-07 01:46:54,367 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 253 DAG size of output: 115 [2020-11-07 01:46:55,619 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 59 [2020-11-07 01:46:57,223 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 250 DAG size of output: 105 [2020-11-07 01:46:58,452 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 189 DAG size of output: 103 [2020-11-07 01:47:02,686 WARN L194 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:03,885 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 165 DAG size of output: 89 [2020-11-07 01:47:05,476 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 250 DAG size of output: 105 [2020-11-07 01:47:09,715 WARN L194 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:13,936 WARN L194 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:16,526 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 286 DAG size of output: 91 [2020-11-07 01:47:17,479 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2020-11-07 01:47:18,450 WARN L194 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 85 [2020-11-07 01:47:19,540 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 249 DAG size of output: 48 [2020-11-07 01:47:20,841 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 189 DAG size of output: 85 [2020-11-07 01:47:22,592 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 198 DAG size of output: 120 [2020-11-07 01:47:23,248 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 52 [2020-11-07 01:47:24,220 WARN L194 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 63 [2020-11-07 01:47:24,812 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 58 [2020-11-07 01:47:25,546 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-11-07 01:47:26,076 WARN L194 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:47:26,608 WARN L194 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:47:30,864 WARN L194 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:31,377 WARN L194 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:47:35,645 WARN L194 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:36,152 WARN L194 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:47:39,083 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 294 DAG size of output: 95 [2020-11-07 01:47:40,005 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 79 [2020-11-07 01:47:41,233 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 183 DAG size of output: 101 [2020-11-07 01:47:45,514 WARN L194 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:47,293 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 120 [2020-11-07 01:47:49,047 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 184 DAG size of output: 122 [2020-11-07 01:47:49,953 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 81 [2020-11-07 01:47:54,253 WARN L194 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:47:54,779 WARN L194 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:47:59,085 WARN L194 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:03,387 WARN L194 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:05,045 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 251 DAG size of output: 115 [2020-11-07 01:48:09,367 WARN L194 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:09,916 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:48:14,268 WARN L194 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:14,784 WARN L194 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:48:15,304 WARN L194 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 44 [2020-11-07 01:48:15,850 WARN L194 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:48:20,199 WARN L194 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:20,750 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:48:25,137 WARN L194 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:27,273 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 267 DAG size of output: 118 [2020-11-07 01:48:28,244 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 63 [2020-11-07 01:48:30,103 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 254 DAG size of output: 106 [2020-11-07 01:48:34,523 WARN L194 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:35,461 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 81 [2020-11-07 01:48:37,482 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 253 DAG size of output: 115 [2020-11-07 01:48:38,736 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 186 DAG size of output: 86 [2020-11-07 01:48:43,137 WARN L194 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:47,532 WARN L194 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:49,151 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 246 DAG size of output: 115 [2020-11-07 01:48:53,487 WARN L194 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:48:54,034 WARN L194 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2020-11-07 01:48:58,442 WARN L194 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:49:02,899 WARN L194 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2020-11-07 01:49:07,344 WARN L194 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 396 DAG size of output: 105