/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:44:40,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:44:40,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:44:40,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:44:40,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:44:40,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:44:40,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:44:40,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:44:40,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:44:40,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:44:40,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:44:40,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:44:40,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:44:40,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:44:40,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:44:40,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:44:40,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:44:40,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:44:40,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:44:40,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:44:40,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:44:40,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:44:40,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:44:40,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:44:40,463 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:44:40,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:44:40,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:44:40,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:44:40,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:44:40,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:44:40,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:44:40,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:44:40,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:44:40,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:44:40,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:44:40,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:44:40,467 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:44:40,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:44:40,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:44:40,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:44:40,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:44:40,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:44:40,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:44:40,468 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:44:40,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:44:40,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:44:40,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:44:40,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:44:40,951 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:44:40,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-10-24 01:44:41,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ecb2c33/4428746fa6b54b5387b56e6805d8f56a/FLAG7a6cbe4a8 [2020-10-24 01:44:41,843 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:44:41,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-10-24 01:44:41,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ecb2c33/4428746fa6b54b5387b56e6805d8f56a/FLAG7a6cbe4a8 [2020-10-24 01:44:42,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ecb2c33/4428746fa6b54b5387b56e6805d8f56a [2020-10-24 01:44:42,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:44:42,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:44:42,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:44:42,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:44:42,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:44:42,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:42,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762ed2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42, skipping insertion in model container [2020-10-24 01:44:42,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:42,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:44:42,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:44:42,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:44:42,692 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:44:42,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:44:42,896 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:44:42,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42 WrapperNode [2020-10-24 01:44:42,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:44:42,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:44:42,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:44:42,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:44:42,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:42,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:42,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:42,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:42,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:43,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:43,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... [2020-10-24 01:44:43,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:44:43,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:44:43,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:44:43,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:44:43,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:44:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:44:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:44:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:44:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:44:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:44:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:44:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:44:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:44:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:44:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:44:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:44:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:44:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:44:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:44:44,650 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:44:44,650 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:44:44,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:44:44 BoogieIcfgContainer [2020-10-24 01:44:44,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:44:44,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:44:44,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:44:44,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:44:44,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:44:42" (1/3) ... [2020-10-24 01:44:44,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b63c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:44:44, skipping insertion in model container [2020-10-24 01:44:44,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:42" (2/3) ... [2020-10-24 01:44:44,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b63c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:44:44, skipping insertion in model container [2020-10-24 01:44:44,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:44:44" (3/3) ... [2020-10-24 01:44:44,663 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-10-24 01:44:44,675 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:44:44,682 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:44:44,696 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:44:44,722 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:44:44,722 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:44:44,722 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:44:44,722 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:44:44,723 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:44:44,723 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:44:44,723 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:44:44,723 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:44:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:44:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 01:44:44,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:44,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:44:44,780 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:44,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:44,786 INFO L82 PathProgramCache]: Analyzing trace with hash 646682619, now seen corresponding path program 1 times [2020-10-24 01:44:44,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:44,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008728353] [2020-10-24 01:44:44,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:45,560 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-24 01:44:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:44:45,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008728353] [2020-10-24 01:44:45,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:44:45,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 01:44:45,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566459207] [2020-10-24 01:44:45,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 01:44:45,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:45,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 01:44:45,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 01:44:45,721 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 4 states. [2020-10-24 01:44:48,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:48,489 INFO L93 Difference]: Finished difference Result 1219 states and 1666 transitions. [2020-10-24 01:44:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:44:48,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-10-24 01:44:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:48,513 INFO L225 Difference]: With dead ends: 1219 [2020-10-24 01:44:48,514 INFO L226 Difference]: Without dead ends: 637 [2020-10-24 01:44:48,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:44:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-24 01:44:48,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2020-10-24 01:44:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-24 01:44:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 760 transitions. [2020-10-24 01:44:48,750 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 760 transitions. Word has length 167 [2020-10-24 01:44:48,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:48,751 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 760 transitions. [2020-10-24 01:44:48,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 01:44:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 760 transitions. [2020-10-24 01:44:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-24 01:44:48,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:48,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:44:48,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:44:48,761 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:48,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:48,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1659307516, now seen corresponding path program 1 times [2020-10-24 01:44:48,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:48,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919787272] [2020-10-24 01:44:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:49,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:49,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:44:49,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919787272] [2020-10-24 01:44:49,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:44:49,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:44:49,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875907453] [2020-10-24 01:44:49,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:44:49,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:49,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:44:49,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:44:49,211 INFO L87 Difference]: Start difference. First operand 624 states and 760 transitions. Second operand 8 states. [2020-10-24 01:44:49,501 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:44:49,913 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-24 01:44:53,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:53,863 INFO L93 Difference]: Finished difference Result 1906 states and 2489 transitions. [2020-10-24 01:44:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:44:53,868 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-10-24 01:44:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:53,883 INFO L225 Difference]: With dead ends: 1906 [2020-10-24 01:44:53,884 INFO L226 Difference]: Without dead ends: 1312 [2020-10-24 01:44:53,888 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 [2020-10-24 01:44:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-24 01:44:54,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1248. [2020-10-24 01:44:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2020-10-24 01:44:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1550 transitions. [2020-10-24 01:44:54,126 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1550 transitions. Word has length 201 [2020-10-24 01:44:54,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:54,126 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 1550 transitions. [2020-10-24 01:44:54,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:44:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1550 transitions. [2020-10-24 01:44:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-24 01:44:54,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:54,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:44:54,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:44:54,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:54,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:54,136 INFO L82 PathProgramCache]: Analyzing trace with hash 579556094, now seen corresponding path program 1 times [2020-10-24 01:44:54,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:54,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435112891] [2020-10-24 01:44:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:54,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:54,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:44:54,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435112891] [2020-10-24 01:44:54,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:44:54,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:44:54,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882989461] [2020-10-24 01:44:54,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:44:54,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:54,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:44:54,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:44:54,434 INFO L87 Difference]: Start difference. First operand 1248 states and 1550 transitions. Second operand 7 states. [2020-10-24 01:44:54,676 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:44:58,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:58,322 INFO L93 Difference]: Finished difference Result 3492 states and 4485 transitions. [2020-10-24 01:44:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:44:58,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-10-24 01:44:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:58,344 INFO L225 Difference]: With dead ends: 3492 [2020-10-24 01:44:58,344 INFO L226 Difference]: Without dead ends: 2274 [2020-10-24 01:44:58,352 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 [2020-10-24 01:44:58,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-10-24 01:44:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2157. [2020-10-24 01:44:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-10-24 01:44:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2640 transitions. [2020-10-24 01:44:58,783 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2640 transitions. Word has length 202 [2020-10-24 01:44:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:58,783 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 2640 transitions. [2020-10-24 01:44:58,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:44:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2640 transitions. [2020-10-24 01:44:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 01:44:58,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:58,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:44:58,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:44:58,795 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash -707573754, now seen corresponding path program 1 times [2020-10-24 01:44:58,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:58,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388752305] [2020-10-24 01:44:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:59,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:59,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:59,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:44:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:44:59,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388752305] [2020-10-24 01:44:59,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:44:59,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:44:59,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279932995] [2020-10-24 01:44:59,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:44:59,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:59,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:44:59,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:44:59,492 INFO L87 Difference]: Start difference. First operand 2157 states and 2640 transitions. Second operand 13 states. [2020-10-24 01:45:00,889 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:45:03,133 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:45:05,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:45:05,940 INFO L93 Difference]: Finished difference Result 7498 states and 9620 transitions. [2020-10-24 01:45:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:45:05,941 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2020-10-24 01:45:05,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:45:05,976 INFO L225 Difference]: With dead ends: 7498 [2020-10-24 01:45:05,976 INFO L226 Difference]: Without dead ends: 3978 [2020-10-24 01:45:05,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:45:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2020-10-24 01:45:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3544. [2020-10-24 01:45:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-10-24 01:45:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4271 transitions. [2020-10-24 01:45:06,675 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4271 transitions. Word has length 223 [2020-10-24 01:45:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:45:06,676 INFO L481 AbstractCegarLoop]: Abstraction has 3544 states and 4271 transitions. [2020-10-24 01:45:06,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:45:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4271 transitions. [2020-10-24 01:45:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-24 01:45:06,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:45:06,692 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:45:06,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:45:06,692 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:45:06,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:45:06,693 INFO L82 PathProgramCache]: Analyzing trace with hash 294882418, now seen corresponding path program 1 times [2020-10-24 01:45:06,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:45:06,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803651109] [2020-10-24 01:45:06,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:45:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:45:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:45:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:06,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:45:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:45:07,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803651109] [2020-10-24 01:45:07,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:45:07,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 01:45:07,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535173806] [2020-10-24 01:45:07,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 01:45:07,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:45:07,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 01:45:07,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:45:07,022 INFO L87 Difference]: Start difference. First operand 3544 states and 4271 transitions. Second operand 9 states. [2020-10-24 01:45:11,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:45:11,297 INFO L93 Difference]: Finished difference Result 7480 states and 9205 transitions. [2020-10-24 01:45:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:45:11,298 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 234 [2020-10-24 01:45:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:45:11,325 INFO L225 Difference]: With dead ends: 7480 [2020-10-24 01:45:11,326 INFO L226 Difference]: Without dead ends: 3966 [2020-10-24 01:45:11,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:45:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2020-10-24 01:45:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3615. [2020-10-24 01:45:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3615 states. [2020-10-24 01:45:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4192 transitions. [2020-10-24 01:45:12,162 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4192 transitions. Word has length 234 [2020-10-24 01:45:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:45:12,163 INFO L481 AbstractCegarLoop]: Abstraction has 3615 states and 4192 transitions. [2020-10-24 01:45:12,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 01:45:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4192 transitions. [2020-10-24 01:45:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-24 01:45:12,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:45:12,181 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:45:12,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:45:12,182 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:45:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:45:12,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1494989153, now seen corresponding path program 1 times [2020-10-24 01:45:12,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:45:12,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554148982] [2020-10-24 01:45:12,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:45:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:45:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:12,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:45:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:45:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:12,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-24 01:45:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 89 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 01:45:12,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554148982] [2020-10-24 01:45:12,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:45:12,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:45:12,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66330995] [2020-10-24 01:45:12,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:45:12,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:45:12,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:45:12,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:45:12,497 INFO L87 Difference]: Start difference. First operand 3615 states and 4192 transitions. Second operand 7 states. [2020-10-24 01:45:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:45:16,333 INFO L93 Difference]: Finished difference Result 7497 states and 8631 transitions. [2020-10-24 01:45:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:45:16,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-24 01:45:16,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:45:16,366 INFO L225 Difference]: With dead ends: 7497 [2020-10-24 01:45:16,366 INFO L226 Difference]: Without dead ends: 3527 [2020-10-24 01:45:16,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:45:16,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2020-10-24 01:45:17,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3476. [2020-10-24 01:45:17,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3476 states. [2020-10-24 01:45:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 3833 transitions. [2020-10-24 01:45:17,075 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 3833 transitions. Word has length 256 [2020-10-24 01:45:17,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:45:17,076 INFO L481 AbstractCegarLoop]: Abstraction has 3476 states and 3833 transitions. [2020-10-24 01:45:17,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:45:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 3833 transitions. [2020-10-24 01:45:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-24 01:45:17,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:45:17,089 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:45:17,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:45:17,090 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:45:17,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:45:17,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1950449214, now seen corresponding path program 1 times [2020-10-24 01:45:17,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:45:17,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122305457] [2020-10-24 01:45:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:45:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:17,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:45:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:17,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:45:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:45:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:17,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-24 01:45:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-24 01:45:17,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122305457] [2020-10-24 01:45:17,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:45:17,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 01:45:17,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221620970] [2020-10-24 01:45:17,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 01:45:17,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:45:17,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 01:45:17,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:45:17,358 INFO L87 Difference]: Start difference. First operand 3476 states and 3833 transitions. Second operand 6 states. [2020-10-24 01:45:19,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:45:19,382 INFO L93 Difference]: Finished difference Result 4133 states and 4543 transitions. [2020-10-24 01:45:19,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 01:45:19,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2020-10-24 01:45:19,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:45:19,393 INFO L225 Difference]: With dead ends: 4133 [2020-10-24 01:45:19,393 INFO L226 Difference]: Without dead ends: 2031 [2020-10-24 01:45:19,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:45:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2020-10-24 01:45:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 2031. [2020-10-24 01:45:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2031 states. [2020-10-24 01:45:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2197 transitions. [2020-10-24 01:45:19,812 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2197 transitions. Word has length 257 [2020-10-24 01:45:19,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:45:19,813 INFO L481 AbstractCegarLoop]: Abstraction has 2031 states and 2197 transitions. [2020-10-24 01:45:19,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 01:45:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2197 transitions. [2020-10-24 01:45:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-24 01:45:19,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:45:19,822 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 01:45:19,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:45:19,822 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:45:19,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:45:19,823 INFO L82 PathProgramCache]: Analyzing trace with hash -120316603, now seen corresponding path program 1 times [2020-10-24 01:45:19,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:45:19,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719175881] [2020-10-24 01:45:19,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:45:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:45:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:20,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:45:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:20,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:45:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:20,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 01:45:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 130 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 01:45:20,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719175881] [2020-10-24 01:45:20,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:45:20,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:45:20,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964016254] [2020-10-24 01:45:20,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:45:20,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:45:20,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:45:20,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:45:20,165 INFO L87 Difference]: Start difference. First operand 2031 states and 2197 transitions. Second operand 8 states. [2020-10-24 01:45:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:45:23,181 INFO L93 Difference]: Finished difference Result 4340 states and 4741 transitions. [2020-10-24 01:45:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-24 01:45:23,182 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 299 [2020-10-24 01:45:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:45:23,190 INFO L225 Difference]: With dead ends: 4340 [2020-10-24 01:45:23,191 INFO L226 Difference]: Without dead ends: 1605 [2020-10-24 01:45:23,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-24 01:45:23,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-24 01:45:23,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2020-10-24 01:45:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1605 states. [2020-10-24 01:45:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1661 transitions. [2020-10-24 01:45:23,508 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1661 transitions. Word has length 299 [2020-10-24 01:45:23,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:45:23,509 INFO L481 AbstractCegarLoop]: Abstraction has 1605 states and 1661 transitions. [2020-10-24 01:45:23,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:45:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1661 transitions. [2020-10-24 01:45:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-24 01:45:23,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:45:23,514 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:45:23,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:45:23,514 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:45:23,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:45:23,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1242091876, now seen corresponding path program 1 times [2020-10-24 01:45:23,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:45:23,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262147198] [2020-10-24 01:45:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:45:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:23,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:45:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:23,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:45:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:23,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:45:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-24 01:45:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:45:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-24 01:45:24,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262147198] [2020-10-24 01:45:24,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:45:24,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:45:24,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136147592] [2020-10-24 01:45:24,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:45:24,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:45:24,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:45:24,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:45:24,127 INFO L87 Difference]: Start difference. First operand 1605 states and 1661 transitions. Second operand 10 states. [2020-10-24 01:45:24,365 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:45:26,975 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-24 01:45:27,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:45:27,987 INFO L93 Difference]: Finished difference Result 2249 states and 2343 transitions. [2020-10-24 01:45:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:45:27,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 341 [2020-10-24 01:45:27,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:45:27,989 INFO L225 Difference]: With dead ends: 2249 [2020-10-24 01:45:27,989 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:45:27,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:45:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:45:27,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:45:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:45:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:45:27,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-10-24 01:45:27,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:45:27,995 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:45:27,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:45:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:45:27,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:45:27,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:45:27,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:46:18,832 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:46:19,857 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:46:22,392 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:46:23,249 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-10-24 01:46:24,295 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:46:26,824 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:46:29,379 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:46:31,916 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:46:32,987 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:46:34,060 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:46:35,120 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:46:37,640 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:46:38,527 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:46:39,553 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:46:40,889 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2020-10-24 01:46:42,012 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-10-24 01:46:43,018 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2020-10-24 01:46:43,899 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:46:44,875 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2020-10-24 01:46:45,731 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:46:46,578 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:46:49,143 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:46:51,702 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:46:52,719 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-10-24 01:46:53,571 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:46:54,616 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:46:55,440 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:46:57,915 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:46:59,060 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2020-10-24 01:47:00,260 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-10-24 01:47:02,841 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:04,089 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 152 DAG size of output: 79 [2020-10-24 01:47:05,100 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-10-24 01:47:05,856 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:47:06,534 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-10-24 01:47:07,633 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2020-10-24 01:47:10,202 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:11,052 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:47:12,005 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2020-10-24 01:47:14,578 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:15,342 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:47:16,199 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:47:18,784 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:19,757 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-10-24 01:47:20,867 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2020-10-24 01:47:23,439 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:26,016 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:26,725 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-10-24 01:47:28,049 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 149 DAG size of output: 78 [2020-10-24 01:47:29,098 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:47:30,102 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:47:30,962 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:47:31,807 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-10-24 01:47:32,490 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-24 01:47:33,606 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-10-24 01:47:34,364 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-10-24 01:47:35,226 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:47:37,813 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:40,407 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:43,010 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:44,350 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 149 DAG size of output: 77 [2020-10-24 01:47:45,359 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:47:47,960 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:47:48,959 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:47:49,998 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:47:50,812 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-10-24 01:47:53,279 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:47:54,315 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:47:56,791 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:47:59,259 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:48:01,731 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:48:02,569 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:48:03,277 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-10-24 01:48:05,885 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:07,105 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2020-10-24 01:48:08,736 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-10-24 01:48:09,609 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:10,483 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:11,519 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-10-24 01:48:12,394 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:13,266 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:15,892 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:18,510 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:19,508 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-10-24 01:48:20,535 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2020-10-24 01:48:21,413 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:22,466 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-24 01:48:24,031 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 147 DAG size of output: 83 [2020-10-24 01:48:26,523 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:48:29,142 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:31,775 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:32,851 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-10-24 01:48:33,707 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:48:34,561 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:48:37,073 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:48:37,925 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:48:40,431 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:48:42,937 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:48:43,831 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:45,200 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 153 DAG size of output: 84 [2020-10-24 01:48:46,088 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:46,798 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-10-24 01:48:48,074 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2020-10-24 01:48:50,735 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:51,624 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:54,267 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:48:54,888 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:48:55,778 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:48:56,801 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:48:59,455 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:02,107 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:04,756 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:05,648 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:06,677 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:49:07,580 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:10,118 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:49:11,196 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:49:12,055 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:49:13,140 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:49:14,266 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2020-10-24 01:49:15,243 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-24 01:49:16,324 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-10-24 01:49:17,702 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 158 DAG size of output: 81 [2020-10-24 01:49:18,605 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:19,897 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-10-24 01:49:20,927 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:49:21,825 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:22,725 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:23,623 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:26,316 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:27,219 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:29,908 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:32,588 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:33,890 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-10-24 01:49:35,131 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2020-10-24 01:49:36,170 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-10-24 01:49:37,210 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:49:38,255 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2020-10-24 01:49:39,095 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-10-24 01:49:40,067 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:49:40,972 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:41,756 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-10-24 01:49:42,662 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:43,752 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:49:44,845 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:49:47,403 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:49:48,502 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:49:51,054 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:49:52,160 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:49:53,485 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2020-10-24 01:49:54,216 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2020-10-24 01:49:55,129 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:49:57,831 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:49:58,832 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-10-24 01:49:59,879 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-10-24 01:50:00,786 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:50:03,483 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:04,587 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:50:07,171 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:09,751 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:10,555 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:50:13,133 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:14,018 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:50:16,594 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:17,697 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:50:18,799 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:50:19,680 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:50:22,267 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:23,153 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:50:25,742 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:26,674 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:50:27,903 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 152 DAG size of output: 76 [2020-10-24 01:50:28,832 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:50:31,547 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:32,471 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:50:33,394 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:50:34,435 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-10-24 01:50:37,161 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:39,888 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:40,953 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:50:43,699 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:44,596 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:50:47,195 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:49,802 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:50:52,637 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:53,724 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:50:54,652 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:50:57,413 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:50:58,417 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:51:01,178 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:02,422 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 152 DAG size of output: 79 [2020-10-24 01:51:03,478 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:51:04,416 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:51:05,352 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:51:06,356 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-10-24 01:51:07,306 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:51:08,254 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:51:09,753 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2020-10-24 01:51:11,095 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:51:12,031 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:51:13,110 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2020-10-24 01:51:14,170 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-10-24 01:51:16,947 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:17,687 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-10-24 01:51:18,568 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-10-24 01:51:19,586 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:51:20,331 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-10-24 01:51:23,106 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:25,896 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:26,970 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:51:28,217 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2020-10-24 01:51:29,608 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 148 DAG size of output: 77 [2020-10-24 01:51:30,264 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:51:31,208 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:51:32,562 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-10-24 01:51:33,570 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:51:34,624 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2020-10-24 01:51:37,401 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:40,182 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:41,307 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-10-24 01:51:44,098 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:46,888 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:47,950 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-10-24 01:51:50,736 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:51,910 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:51:54,715 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:51:55,861 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:51:58,520 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:52:01,189 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:52:03,865 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:52:05,023 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:52:06,170 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:52:07,330 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:52:10,014 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:52:11,163 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:52:12,273 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-24 01:52:13,396 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-24 01:52:14,354 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:15,326 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:16,291 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:17,256 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:18,216 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:19,183 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:20,152 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:21,182 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:52:22,288 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-10-24 01:52:23,632 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 144 DAG size of output: 73 [2020-10-24 01:52:25,286 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-10-24 01:52:26,213 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:52:28,899 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:52:30,168 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:52:31,289 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 155 DAG size of output: 75 [2020-10-24 01:52:32,363 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-10-24 01:52:35,196 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:52:36,491 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 149 DAG size of output: 82 [2020-10-24 01:52:37,513 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:38,495 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:39,562 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-10-24 01:52:40,744 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-10-24 01:52:41,722 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:42,697 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:44,038 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-10-24 01:52:45,024 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:45,875 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2020-10-24 01:52:48,734 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:52:51,598 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:52:52,589 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:52:55,462 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:52:58,189 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:52:59,594 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2020-10-24 01:53:00,530 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2020-10-24 01:53:01,521 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:02,507 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:03,601 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2020-10-24 01:53:04,728 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:53:07,609 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:53:08,598 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:09,584 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:12,471 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:53:13,247 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-24 01:53:16,140 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:53:17,369 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2020-10-24 01:53:18,369 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:21,252 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:53:22,377 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-24 01:53:23,369 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:24,492 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-10-24 01:53:25,627 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-10-24 01:53:26,693 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-10-24 01:53:28,535 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-10-24 01:53:29,526 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:30,791 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2020-10-24 01:53:32,034 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-10-24 01:53:33,037 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:34,049 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:35,424 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-10-24 01:53:36,431 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:37,440 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:38,391 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2020-10-24 01:53:39,413 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:40,222 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2020-10-24 01:53:43,161 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:53:43,330 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-10-24 01:53:46,274 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:53:47,484 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 147 DAG size of output: 75 [2020-10-24 01:53:48,919 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2020-10-24 01:53:49,934 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:50,949 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:52,444 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 167 DAG size of output: 77 [2020-10-24 01:53:53,469 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:54,692 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2020-10-24 01:53:55,848 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:53:56,847 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:53:58,006 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:53:59,171 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-10-24 01:54:00,185 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:54:03,098 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:54:04,057 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:05,206 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-10-24 01:54:08,021 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:10,938 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:54:12,367 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-10-24 01:54:15,171 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:16,134 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:17,097 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:18,067 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:20,850 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:21,815 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:24,606 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:27,420 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:28,399 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:31,197 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:34,011 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:34,987 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:35,980 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2020-10-24 01:54:37,429 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2020-10-24 01:54:38,246 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2020-10-24 01:54:39,272 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:54:40,244 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:43,065 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:46,009 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:54:47,158 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-10-24 01:54:50,126 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:54:52,951 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:53,938 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:54,917 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:54:56,150 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:54:58,978 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:54:59,693 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:55:00,411 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:55:01,130 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:55:01,881 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:55:11,907 WARN L193 SmtUtils]: Spent 10.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 149 [2020-10-24 01:55:22,029 WARN L193 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 250 DAG size of output: 149 [2020-10-24 01:55:25,046 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:55:26,705 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-10-24 01:55:27,918 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:55:30,928 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:55:32,045 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-10-24 01:55:35,090 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:55:36,152 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:55:37,340 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-24 01:55:40,370 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:55:43,389 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:55:44,454 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:55:45,775 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2020-10-24 01:55:46,841 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:55:48,328 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2020-10-24 01:55:50,140 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-10-24 01:55:51,332 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-10-24 01:55:52,784 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 161 DAG size of output: 79 [2020-10-24 01:55:53,839 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:55:54,964 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:55:56,256 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-10-24 01:55:59,289 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:02,351 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:05,413 WARN L193 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:06,497 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:56:09,570 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:10,853 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:56:13,787 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:56:16,702 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:56:19,623 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:56:20,908 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-10-24 01:56:21,983 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:56:23,050 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:56:24,484 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2020-10-24 01:56:27,560 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:28,765 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-10-24 01:56:29,853 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:56:30,718 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:56:31,571 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-24 01:56:32,821 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-24 01:56:34,356 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2020-10-24 01:56:35,424 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:56:36,848 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2020-10-24 01:56:38,220 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2020-10-24 01:56:39,424 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-10-24 01:56:40,164 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:56:40,907 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:56:41,655 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-10-24 01:56:42,923 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-10-24 01:56:44,153 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2020-10-24 01:56:45,228 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:56:46,560 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2020-10-24 01:56:49,668 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:51,038 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2020-10-24 01:56:52,533 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 153 DAG size of output: 75 [2020-10-24 01:56:55,636 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:56:58,932 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:57:00,057 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:57:01,310 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-10-24 01:57:02,463 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:57:03,559 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2020-10-24 01:57:04,819 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-10-24 01:57:08,009 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:57:09,308 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-10-24 01:57:12,284 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:57:15,447 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:57:16,785 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-10-24 01:57:18,314 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-10-24 01:57:19,341 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:57:20,347 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:57:23,223 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-10-24 01:57:24,506 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2020-10-24 01:57:25,584 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:57:26,816 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2020-10-24 01:57:29,864 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:57:32,876 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-10-24 01:57:33,994 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-24 01:57:34,825 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-24 01:57:36,091 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-10-24 01:57:37,139 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 86 DAG size of output: 61