/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:36:49,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:36:49,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:36:49,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:36:49,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:36:49,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:36:49,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:36:49,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:36:49,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:36:49,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:36:49,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:36:49,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:36:49,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:36:49,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:36:49,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:36:49,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:36:49,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:36:49,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:36:49,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:36:49,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:36:49,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:36:49,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:36:49,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:36:49,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:36:49,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:36:49,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:36:49,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:36:49,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:36:49,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:36:49,724 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:36:49,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:36:49,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:36:49,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:36:49,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:36:49,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:36:49,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:36:49,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:36:49,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:36:49,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:36:49,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:36:49,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:36:49,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:36:49,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:36:49,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:36:49,729 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:36:49,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:36:49,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:36:49,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:36:49,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:36:49,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:36:49,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:36:49,731 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:36:50,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:36:50,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:36:50,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:36:50,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:36:50,191 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:36:50,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-11-07 05:36:50,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0454c7fd1/4b6bf22cfcb044a08cecb762abae5190/FLAGb2e6d27b0 [2020-11-07 05:36:51,144 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:36:51,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-11-07 05:36:51,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0454c7fd1/4b6bf22cfcb044a08cecb762abae5190/FLAGb2e6d27b0 [2020-11-07 05:36:51,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0454c7fd1/4b6bf22cfcb044a08cecb762abae5190 [2020-11-07 05:36:51,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:36:51,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:36:51,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:36:51,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:36:51,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:36:51,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:36:51" (1/1) ... [2020-11-07 05:36:51,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1c09b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:51, skipping insertion in model container [2020-11-07 05:36:51,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:36:51" (1/1) ... [2020-11-07 05:36:51,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:36:51,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:36:52,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:36:52,061 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:36:52,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:36:52,197 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:36:52,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52 WrapperNode [2020-11-07 05:36:52,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:36:52,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:36:52,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:36:52,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:36:52,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... [2020-11-07 05:36:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:36:52,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:36:52,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:36:52,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:36:52,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:36:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:36:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:36:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:36:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:36:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:36:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:36:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:36:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:36:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:36:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:36:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:36:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:36:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:36:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:36:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:36:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:36:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:36:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:36:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:36:53,795 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:36:53,795 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:36:53,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:36:53 BoogieIcfgContainer [2020-11-07 05:36:53,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:36:53,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:36:53,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:36:53,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:36:53,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:36:51" (1/3) ... [2020-11-07 05:36:53,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd6c045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:36:53, skipping insertion in model container [2020-11-07 05:36:53,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:36:52" (2/3) ... [2020-11-07 05:36:53,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd6c045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:36:53, skipping insertion in model container [2020-11-07 05:36:53,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:36:53" (3/3) ... [2020-11-07 05:36:53,818 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-11-07 05:36:53,837 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:36:53,842 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:36:53,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:36:53,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:36:53,894 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:36:53,895 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:36:53,895 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:36:53,895 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:36:53,895 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:36:53,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:36:53,895 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:36:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:36:53,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-07 05:36:53,955 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:36:53,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:36:53,956 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:36:53,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:36:53,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1205275684, now seen corresponding path program 1 times [2020-11-07 05:36:53,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:36:53,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037762538] [2020-11-07 05:36:53,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:36:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:36:54,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:36:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:36:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:36:54,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037762538] [2020-11-07 05:36:54,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:36:54,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:36:54,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69631356] [2020-11-07 05:36:54,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:36:54,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:36:54,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:36:54,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:36:54,732 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:36:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:36:57,630 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-11-07 05:36:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:36:57,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-11-07 05:36:57,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:36:57,661 INFO L225 Difference]: With dead ends: 1218 [2020-11-07 05:36:57,661 INFO L226 Difference]: Without dead ends: 636 [2020-11-07 05:36:57,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:36:57,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-11-07 05:36:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-11-07 05:36:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-07 05:36:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-11-07 05:36:57,921 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 150 [2020-11-07 05:36:57,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:36:57,925 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-11-07 05:36:57,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:36:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-11-07 05:36:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 05:36:57,943 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:36:57,944 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-07 05:36:57,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:36:57,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:36:57,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:36:57,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1718717095, now seen corresponding path program 1 times [2020-11-07 05:36:57,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:36:57,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003972206] [2020-11-07 05:36:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:36:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:36:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:36:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:36:58,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:36:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:36:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:36:58,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003972206] [2020-11-07 05:36:58,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:36:58,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:36:58,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146692144] [2020-11-07 05:36:58,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:36:58,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:36:58,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:36:58,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:36:58,361 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-11-07 05:37:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:01,487 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-11-07 05:37:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:37:01,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-11-07 05:37:01,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:01,498 INFO L225 Difference]: With dead ends: 1701 [2020-11-07 05:37:01,499 INFO L226 Difference]: Without dead ends: 1109 [2020-11-07 05:37:01,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:01,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-11-07 05:37:01,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-11-07 05:37:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-11-07 05:37:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-11-07 05:37:01,703 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 176 [2020-11-07 05:37:01,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:01,703 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-11-07 05:37:01,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-11-07 05:37:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-07 05:37:01,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:01,709 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] [2020-11-07 05:37:01,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:37:01,709 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:01,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1927064837, now seen corresponding path program 1 times [2020-11-07 05:37:01,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:01,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220234361] [2020-11-07 05:37:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:01,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:02,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220234361] [2020-11-07 05:37:02,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:02,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:37:02,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147896211] [2020-11-07 05:37:02,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:02,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:02,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:02,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:02,036 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-11-07 05:37:02,265 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:37:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:06,495 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-11-07 05:37:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:37:06,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2020-11-07 05:37:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:06,513 INFO L225 Difference]: With dead ends: 2764 [2020-11-07 05:37:06,514 INFO L226 Difference]: Without dead ends: 1912 [2020-11-07 05:37:06,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:37:06,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-11-07 05:37:06,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1833. [2020-11-07 05:37:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2020-11-07 05:37:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2368 transitions. [2020-11-07 05:37:06,991 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2368 transitions. Word has length 184 [2020-11-07 05:37:06,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:06,992 INFO L481 AbstractCegarLoop]: Abstraction has 1833 states and 2368 transitions. [2020-11-07 05:37:06,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:37:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2368 transitions. [2020-11-07 05:37:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-07 05:37:07,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:07,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:07,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:37:07,004 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:07,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1201447352, now seen corresponding path program 1 times [2020-11-07 05:37:07,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:07,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032488303] [2020-11-07 05:37:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:07,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:07,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032488303] [2020-11-07 05:37:07,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:07,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:37:07,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935339615] [2020-11-07 05:37:07,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:07,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:07,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:07,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:07,324 INFO L87 Difference]: Start difference. First operand 1833 states and 2368 transitions. Second operand 7 states. [2020-11-07 05:37:10,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:10,618 INFO L93 Difference]: Finished difference Result 4685 states and 6427 transitions. [2020-11-07 05:37:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:37:10,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-11-07 05:37:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:10,651 INFO L225 Difference]: With dead ends: 4685 [2020-11-07 05:37:10,651 INFO L226 Difference]: Without dead ends: 2882 [2020-11-07 05:37:10,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:10,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-11-07 05:37:11,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2774. [2020-11-07 05:37:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2774 states. [2020-11-07 05:37:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3507 transitions. [2020-11-07 05:37:11,264 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3507 transitions. Word has length 188 [2020-11-07 05:37:11,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:11,264 INFO L481 AbstractCegarLoop]: Abstraction has 2774 states and 3507 transitions. [2020-11-07 05:37:11,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3507 transitions. [2020-11-07 05:37:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 05:37:11,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:11,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:11,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:37:11,278 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1851950919, now seen corresponding path program 1 times [2020-11-07 05:37:11,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:11,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361063109] [2020-11-07 05:37:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:37:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:37:11,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361063109] [2020-11-07 05:37:11,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:11,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:37:11,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470375776] [2020-11-07 05:37:11,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:37:11,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:11,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:37:11,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:37:11,947 INFO L87 Difference]: Start difference. First operand 2774 states and 3507 transitions. Second operand 13 states. [2020-11-07 05:37:13,584 WARN L194 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:37:16,281 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:37:19,441 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-07 05:37:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:19,480 INFO L93 Difference]: Finished difference Result 7969 states and 10278 transitions. [2020-11-07 05:37:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:37:19,482 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 206 [2020-11-07 05:37:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:19,514 INFO L225 Difference]: With dead ends: 7969 [2020-11-07 05:37:19,514 INFO L226 Difference]: Without dead ends: 4491 [2020-11-07 05:37:19,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2020-11-07 05:37:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2020-11-07 05:37:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 3586. [2020-11-07 05:37:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3586 states. [2020-11-07 05:37:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4341 transitions. [2020-11-07 05:37:20,268 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4341 transitions. Word has length 206 [2020-11-07 05:37:20,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:20,269 INFO L481 AbstractCegarLoop]: Abstraction has 3586 states and 4341 transitions. [2020-11-07 05:37:20,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:37:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4341 transitions. [2020-11-07 05:37:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-07 05:37:20,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:20,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:20,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:37:20,284 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:20,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1902512032, now seen corresponding path program 1 times [2020-11-07 05:37:20,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:20,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004792780] [2020-11-07 05:37:20,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:20,467 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:37:20,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:20,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:37:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:37:20,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004792780] [2020-11-07 05:37:20,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:20,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:37:20,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083423954] [2020-11-07 05:37:20,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:20,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:20,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:20,624 INFO L87 Difference]: Start difference. First operand 3586 states and 4341 transitions. Second operand 7 states. [2020-11-07 05:37:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:24,879 INFO L93 Difference]: Finished difference Result 7806 states and 9402 transitions. [2020-11-07 05:37:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:37:24,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-11-07 05:37:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:24,906 INFO L225 Difference]: With dead ends: 7806 [2020-11-07 05:37:24,906 INFO L226 Difference]: Without dead ends: 3834 [2020-11-07 05:37:24,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2020-11-07 05:37:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3769. [2020-11-07 05:37:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3769 states. [2020-11-07 05:37:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 4331 transitions. [2020-11-07 05:37:25,706 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 4331 transitions. Word has length 218 [2020-11-07 05:37:25,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:25,706 INFO L481 AbstractCegarLoop]: Abstraction has 3769 states and 4331 transitions. [2020-11-07 05:37:25,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4331 transitions. [2020-11-07 05:37:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-07 05:37:25,725 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:25,725 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:25,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:37:25,726 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:25,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:25,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1903681943, now seen corresponding path program 1 times [2020-11-07 05:37:25,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:25,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437363781] [2020-11-07 05:37:25,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:25,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:37:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 05:37:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:25,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 05:37:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 158 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-07 05:37:26,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437363781] [2020-11-07 05:37:26,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:26,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:37:26,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80280430] [2020-11-07 05:37:26,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:26,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:26,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:26,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:26,060 INFO L87 Difference]: Start difference. First operand 3769 states and 4331 transitions. Second operand 7 states. [2020-11-07 05:37:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:29,608 INFO L93 Difference]: Finished difference Result 7576 states and 8755 transitions. [2020-11-07 05:37:29,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:37:29,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 290 [2020-11-07 05:37:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:29,633 INFO L225 Difference]: With dead ends: 7576 [2020-11-07 05:37:29,633 INFO L226 Difference]: Without dead ends: 4194 [2020-11-07 05:37:29,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2020-11-07 05:37:30,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 4038. [2020-11-07 05:37:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4038 states. [2020-11-07 05:37:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 4562 transitions. [2020-11-07 05:37:30,647 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 4562 transitions. Word has length 290 [2020-11-07 05:37:30,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:30,648 INFO L481 AbstractCegarLoop]: Abstraction has 4038 states and 4562 transitions. [2020-11-07 05:37:30,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 4562 transitions. [2020-11-07 05:37:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-11-07 05:37:30,666 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:30,667 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:30,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:37:30,667 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:30,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:30,668 INFO L82 PathProgramCache]: Analyzing trace with hash -827434322, now seen corresponding path program 1 times [2020-11-07 05:37:30,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:30,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64831128] [2020-11-07 05:37:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:30,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:37:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-11-07 05:37:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 139 proven. 42 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 05:37:31,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64831128] [2020-11-07 05:37:31,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:31,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:37:31,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161139098] [2020-11-07 05:37:31,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:37:31,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:37:31,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:37:31,028 INFO L87 Difference]: Start difference. First operand 4038 states and 4562 transitions. Second operand 9 states. [2020-11-07 05:37:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:34,520 INFO L93 Difference]: Finished difference Result 6555 states and 7375 transitions. [2020-11-07 05:37:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:37:34,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 298 [2020-11-07 05:37:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:34,536 INFO L225 Difference]: With dead ends: 6555 [2020-11-07 05:37:34,537 INFO L226 Difference]: Without dead ends: 2211 [2020-11-07 05:37:34,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2020-11-07 05:37:34,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2020-11-07 05:37:35,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2039. [2020-11-07 05:37:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2039 states. [2020-11-07 05:37:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2203 transitions. [2020-11-07 05:37:35,158 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2203 transitions. Word has length 298 [2020-11-07 05:37:35,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:35,159 INFO L481 AbstractCegarLoop]: Abstraction has 2039 states and 2203 transitions. [2020-11-07 05:37:35,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:37:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2203 transitions. [2020-11-07 05:37:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-07 05:37:35,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:35,167 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, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:35,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:37:35,167 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:35,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1475396120, now seen corresponding path program 1 times [2020-11-07 05:37:35,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:35,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237766451] [2020-11-07 05:37:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:35,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-11-07 05:37:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 05:37:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 275 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-07 05:37:35,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [237766451] [2020-11-07 05:37:35,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:35,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:37:35,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345536818] [2020-11-07 05:37:35,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:35,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:35,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:35,806 INFO L87 Difference]: Start difference. First operand 2039 states and 2203 transitions. Second operand 8 states. [2020-11-07 05:37:36,054 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:37:36,732 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 05:37:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:39,381 INFO L93 Difference]: Finished difference Result 3728 states and 4028 transitions. [2020-11-07 05:37:39,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:37:39,382 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 342 [2020-11-07 05:37:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:39,394 INFO L225 Difference]: With dead ends: 3728 [2020-11-07 05:37:39,394 INFO L226 Difference]: Without dead ends: 2197 [2020-11-07 05:37:39,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:37:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2020-11-07 05:37:39,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 2181. [2020-11-07 05:37:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2020-11-07 05:37:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2340 transitions. [2020-11-07 05:37:39,853 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2340 transitions. Word has length 342 [2020-11-07 05:37:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:39,854 INFO L481 AbstractCegarLoop]: Abstraction has 2181 states and 2340 transitions. [2020-11-07 05:37:39,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:37:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2340 transitions. [2020-11-07 05:37:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-11-07 05:37:39,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:39,861 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:39,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:37:39,862 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:39,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:39,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2118046593, now seen corresponding path program 1 times [2020-11-07 05:37:39,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:39,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567555699] [2020-11-07 05:37:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:40,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:40,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:37:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 05:37:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-11-07 05:37:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 209 proven. 83 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-07 05:37:40,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567555699] [2020-11-07 05:37:40,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:40,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:37:40,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031047894] [2020-11-07 05:37:40,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:40,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:40,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:40,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:40,355 INFO L87 Difference]: Start difference. First operand 2181 states and 2340 transitions. Second operand 8 states. [2020-11-07 05:37:43,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:43,252 INFO L93 Difference]: Finished difference Result 4639 states and 5025 transitions. [2020-11-07 05:37:43,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 05:37:43,253 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 363 [2020-11-07 05:37:43,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:43,256 INFO L225 Difference]: With dead ends: 4639 [2020-11-07 05:37:43,256 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:37:43,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-11-07 05:37:43,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:37:43,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:37:43,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:37:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:37:43,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-11-07 05:37:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:43,268 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:37:43,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:37:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:37:43,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:37:43,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:37:43,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:38:53,278 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:38:53,971 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-11-07 05:38:56,730 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:38:58,324 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2020-11-07 05:38:59,108 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:39:01,819 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:39:04,487 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:39:07,196 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:39:07,958 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:39:08,726 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:39:09,488 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:39:12,189 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:39:12,758 WARN L194 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:13,471 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:39:14,237 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2020-11-07 05:39:15,164 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-11-07 05:39:15,890 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-11-07 05:39:16,469 WARN L194 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:17,430 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-11-07 05:39:18,005 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:18,579 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:21,212 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:23,829 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:24,867 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-11-07 05:39:25,428 WARN L194 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:26,223 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:39:26,991 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:39:29,688 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:39:30,479 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2020-11-07 05:39:31,771 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 155 DAG size of output: 81 [2020-11-07 05:39:34,441 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:35,394 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 76 [2020-11-07 05:39:36,118 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2020-11-07 05:39:36,908 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:39:37,557 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-11-07 05:39:38,600 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-11-07 05:39:41,220 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:41,808 WARN L194 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:42,459 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-11-07 05:39:45,111 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:45,896 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:39:46,483 WARN L194 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:39:49,132 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:49,858 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-11-07 05:39:51,150 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-11-07 05:39:53,773 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:56,316 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:39:56,965 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 05:39:58,194 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-11-07 05:39:58,855 WARN L194 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-11-07 05:39:59,580 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-11-07 05:40:00,759 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2020-11-07 05:40:01,319 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:01,953 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-11-07 05:40:02,686 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-11-07 05:40:03,245 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:03,804 WARN L194 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:06,351 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:08,902 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:11,455 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:12,174 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-11-07 05:40:12,822 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-11-07 05:40:15,361 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:16,058 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:40:16,834 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:40:17,640 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-11-07 05:40:20,264 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:40:21,008 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:40:23,631 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:40:26,255 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:40:28,891 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:40:29,642 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:40:30,295 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 05:40:32,848 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:34,307 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-11-07 05:40:35,768 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 162 DAG size of output: 82 [2020-11-07 05:40:36,330 WARN L194 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:36,901 WARN L194 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:37,612 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2020-11-07 05:40:38,182 WARN L194 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:38,748 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:41,305 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:43,878 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:44,530 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-11-07 05:40:45,239 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-11-07 05:40:45,810 WARN L194 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:40:46,488 WARN L194 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 05:40:48,026 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 148 DAG size of output: 79 [2020-11-07 05:40:50,658 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:40:53,242 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:55,826 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:40:56,743 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 05:40:57,495 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:40:58,251 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:41:00,902 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:41:01,662 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:41:04,321 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:41:06,950 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:41:07,526 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:08,775 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-11-07 05:41:09,351 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:09,922 WARN L194 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:10,883 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 74 [2020-11-07 05:41:13,484 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:14,059 WARN L194 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:16,649 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:17,259 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:41:17,838 WARN L194 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:18,862 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:41:21,460 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:24,060 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:26,674 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:27,250 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:28,273 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:41:28,850 WARN L194 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:31,537 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:41:32,301 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:41:33,070 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:41:33,837 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:41:34,609 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-11-07 05:41:35,573 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 05:41:36,556 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-11-07 05:41:37,458 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2020-11-07 05:41:38,045 WARN L194 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:39,022 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:41:39,739 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:41:40,331 WARN L194 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:41,010 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:41:41,592 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:44,211 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:44,801 WARN L194 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:47,424 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:50,054 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:41:50,802 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-11-07 05:41:51,479 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-11-07 05:41:52,694 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-11-07 05:41:53,411 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:41:54,115 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:41:55,010 WARN L194 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2020-11-07 05:41:55,648 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-11-07 05:41:56,232 WARN L194 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:56,959 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 72 [2020-11-07 05:41:57,542 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:41:58,314 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:41:59,086 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:42:01,792 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:02,561 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:42:05,253 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:06,043 WARN L194 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:42:06,781 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-11-07 05:42:07,458 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-11-07 05:42:08,047 WARN L194 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:10,680 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:42:11,271 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:12,173 WARN L194 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:42:12,766 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:15,406 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:42:16,185 WARN L194 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:42:18,898 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:21,710 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:22,502 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:42:25,215 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:25,995 WARN L194 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:42:28,717 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:29,527 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:42:30,343 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:42:31,160 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:42:33,876 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:34,662 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:42:37,403 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:37,999 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:38,649 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 05:42:39,241 WARN L194 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:41,907 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:42:42,497 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:43,096 WARN L194 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:42:43,762 WARN L194 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:42:46,423 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:42:49,096 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:42:50,155 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:42:52,836 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:42:53,654 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:42:56,406 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:42:59,151 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:43:01,909 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:02,906 WARN L194 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 05:43:03,510 WARN L194 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:43:06,195 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:07,177 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:43:09,864 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:10,997 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 152 DAG size of output: 77 [2020-11-07 05:43:11,704 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-11-07 05:43:12,310 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:43:12,915 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:43:13,578 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-11-07 05:43:14,274 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:43:14,876 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:43:15,661 WARN L194 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-11-07 05:43:16,442 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-11-07 05:43:17,047 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:43:17,745 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-11-07 05:43:18,444 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-11-07 05:43:21,134 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:21,810 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-11-07 05:43:22,676 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-11-07 05:43:23,342 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-11-07 05:43:24,023 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-11-07 05:43:26,726 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:29,421 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:30,396 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-11-07 05:43:31,447 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2020-11-07 05:43:32,505 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2020-11-07 05:43:33,153 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:43:33,763 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:43:34,790 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:43:35,453 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:43:36,212 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-11-07 05:43:38,920 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:41,622 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:42,320 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 05:43:45,034 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:47,767 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:48,491 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:43:51,212 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:52,003 WARN L194 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2020-11-07 05:43:54,732 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:43:55,540 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:43:58,358 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:44:01,176 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:44:04,002 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:44:04,852 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:44:05,672 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:44:06,490 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:44:09,323 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:44:10,177 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:44:10,905 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-11-07 05:44:11,592 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 05:44:12,217 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:12,907 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-11-07 05:44:13,531 WARN L194 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:14,152 WARN L194 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:14,777 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:15,398 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:16,024 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:17,046 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:44:18,062 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2020-11-07 05:44:19,471 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2020-11-07 05:44:21,541 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 157 DAG size of output: 80 [2020-11-07 05:44:22,399 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:44:25,252 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:44:26,330 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:44:27,017 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 05:44:27,778 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2020-11-07 05:44:30,553 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:44:32,711 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 152 DAG size of output: 81 [2020-11-07 05:44:34,059 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-11-07 05:44:34,683 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:35,369 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:44:36,124 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:44:36,758 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:37,385 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:38,730 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 155 DAG size of output: 81 [2020-11-07 05:44:39,353 WARN L194 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:40,151 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-11-07 05:44:42,962 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:44:45,754 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:44:46,383 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:49,173 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:44:52,038 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:44:52,671 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:53,535 WARN L194 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-11-07 05:44:54,169 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:54,806 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:44:55,504 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2020-11-07 05:44:56,276 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:44:59,104 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:44:59,743 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:00,375 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:03,191 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:03,831 WARN L194 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:06,642 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:07,818 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-11-07 05:45:08,459 WARN L194 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:11,269 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:12,362 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-11-07 05:45:13,149 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-11-07 05:45:13,855 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-11-07 05:45:14,619 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-11-07 05:45:15,307 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:45:16,941 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 162 DAG size of output: 82 [2020-11-07 05:45:17,589 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:18,941 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-11-07 05:45:19,730 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-11-07 05:45:21,072 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-11-07 05:45:21,709 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:23,068 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 155 DAG size of output: 81 [2020-11-07 05:45:23,713 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:24,367 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:25,261 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-11-07 05:45:25,905 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:26,651 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-11-07 05:45:29,484 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:29,643 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2020-11-07 05:45:32,481 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:33,302 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-11-07 05:45:34,702 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-11-07 05:45:35,348 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:35,989 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:36,997 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 168 DAG size of output: 79 [2020-11-07 05:45:37,644 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:38,795 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-11-07 05:45:39,585 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:45:40,239 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:41,391 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:45:42,201 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-11-07 05:45:42,846 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:45,698 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:46,538 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:45:47,181 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:45:50,112 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:45:52,941 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:45:54,031 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:45:56,949 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:45:57,830 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:45:58,714 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:45:59,587 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:46:02,510 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:03,356 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:46:06,277 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:09,197 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:10,049 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:46:12,962 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:15,878 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:16,766 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:46:17,631 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-11-07 05:46:18,280 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:46:19,035 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-11-07 05:46:19,686 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:46:20,566 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:46:23,504 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:26,368 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:46:27,364 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:46:30,206 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:46:33,142 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:33,996 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:46:34,646 WARN L194 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:46:35,296 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:46:36,196 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:46:39,143 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:46:39,833 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:46:40,520 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:46:41,214 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:46:41,941 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:47:00,555 WARN L194 SmtUtils]: Spent 18.60 s on a formula simplification. DAG size of input: 313 DAG size of output: 170 [2020-11-07 05:47:19,432 WARN L194 SmtUtils]: Spent 18.83 s on a formula simplification. DAG size of input: 313 DAG size of output: 170 [2020-11-07 05:47:22,383 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:24,151 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-11-07 05:47:25,349 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:47:28,313 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:29,040 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:47:31,999 WARN L194 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:32,694 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:47:33,823 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-11-07 05:47:36,788 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:39,752 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:41,102 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-11-07 05:47:42,545 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-11-07 05:47:43,229 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:47:44,694 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-11-07 05:47:46,927 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 157 DAG size of output: 80 [2020-11-07 05:47:47,985 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2020-11-07 05:47:48,760 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-11-07 05:47:49,445 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:47:50,192 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-11-07 05:47:51,008 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2020-11-07 05:47:53,980 WARN L194 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:56,964 WARN L194 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:47:59,956 WARN L194 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:00,643 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:03,635 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:04,561 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:48:07,649 WARN L194 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:48:10,728 WARN L194 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:48:13,830 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:48:14,734 WARN L194 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:48:15,640 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:48:17,005 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2020-11-07 05:48:20,037 WARN L194 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:21,175 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-11-07 05:48:21,874 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:22,681 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 05:48:23,469 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-11-07 05:48:24,298 WARN L194 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-11-07 05:48:25,712 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 153 DAG size of output: 71 [2020-11-07 05:48:26,425 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:27,894 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 158 DAG size of output: 80 [2020-11-07 05:48:29,159 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-11-07 05:48:30,021 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-11-07 05:48:30,746 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:48:31,463 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:48:32,185 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-11-07 05:48:33,325 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-11-07 05:48:34,151 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-11-07 05:48:34,850 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:35,771 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-11-07 05:48:38,812 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:39,704 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-11-07 05:48:40,595 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 74 [2020-11-07 05:48:43,652 WARN L194 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:46,776 WARN L194 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:47,480 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:48,188 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:48,881 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:49,907 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2020-11-07 05:48:50,600 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:48:53,669 WARN L194 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:48:54,529 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:48:57,632 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:49:00,678 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:01,477 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 05:49:02,665 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:49:03,578 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-11-07 05:49:04,518 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-07 05:49:07,635 WARN L194 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-11-07 05:49:08,889 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-11-07 05:49:09,589 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:10,414 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-11-07 05:49:13,443 WARN L194 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:16,498 WARN L194 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:17,207 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:18,099 WARN L194 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2020-11-07 05:49:18,804 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:19,494 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:20,636 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2020-11-07 05:49:21,341 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:22,453 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-11-07 05:49:24,226 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-11-07 05:49:25,091 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2020-11-07 05:49:26,233 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 05:49:29,289 WARN L194 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:30,472 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:49:31,190 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:31,897 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:32,605 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:33,744 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-11-07 05:49:34,462 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:37,573 WARN L194 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:38,432 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-11-07 05:49:41,526 WARN L194 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:42,236 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:42,941 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-11-07 05:49:46,048 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-11-07 05:49:47,188 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 05:49:48,375 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 98 DAG size of output: 69