/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 06:02:17,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 06:02:17,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 06:02:17,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 06:02:17,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 06:02:17,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 06:02:17,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 06:02:17,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 06:02:17,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 06:02:17,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 06:02:17,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 06:02:17,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 06:02:17,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 06:02:17,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 06:02:17,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 06:02:17,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 06:02:17,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 06:02:17,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 06:02:17,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 06:02:17,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 06:02:17,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 06:02:17,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 06:02:17,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 06:02:17,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 06:02:17,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 06:02:17,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 06:02:17,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 06:02:17,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 06:02:17,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 06:02:17,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 06:02:17,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 06:02:17,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 06:02:17,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 06:02:17,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 06:02:17,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 06:02:17,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 06:02:17,425 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 06:02:17,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 06:02:17,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 06:02:17,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 06:02:17,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 06:02:17,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 06:02:17,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 06:02:17,427 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 06:02:17,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 06:02:17,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 06:02:17,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 06:02:17,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 06:02:17,858 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 06:02:17,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-11-07 06:02:17,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed492c2e/cba1bb08fb824befa9de1b2e3fd5444b/FLAG8f6f933f7 [2020-11-07 06:02:18,739 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 06:02:18,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-11-07 06:02:18,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed492c2e/cba1bb08fb824befa9de1b2e3fd5444b/FLAG8f6f933f7 [2020-11-07 06:02:18,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed492c2e/cba1bb08fb824befa9de1b2e3fd5444b [2020-11-07 06:02:18,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 06:02:18,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 06:02:18,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 06:02:18,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 06:02:18,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 06:02:18,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:02:18" (1/1) ... [2020-11-07 06:02:18,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b78c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:18, skipping insertion in model container [2020-11-07 06:02:18,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:02:18" (1/1) ... [2020-11-07 06:02:19,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 06:02:19,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 06:02:19,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:02:19,441 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 06:02:19,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:02:19,606 INFO L208 MainTranslator]: Completed translation [2020-11-07 06:02:19,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19 WrapperNode [2020-11-07 06:02:19,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 06:02:19,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 06:02:19,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 06:02:19,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 06:02:19,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... [2020-11-07 06:02:19,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 06:02:19,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 06:02:19,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 06:02:19,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 06:02:19,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 06:02:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 06:02:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 06:02:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 06:02:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 06:02:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 06:02:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 06:02:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 06:02:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 06:02:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 06:02:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 06:02:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 06:02:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 06:02:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 06:02:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 06:02:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 06:02:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 06:02:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 06:02:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 06:02:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 06:02:21,190 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 06:02:21,190 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 06:02:21,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:02:21 BoogieIcfgContainer [2020-11-07 06:02:21,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 06:02:21,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 06:02:21,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 06:02:21,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 06:02:21,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:02:18" (1/3) ... [2020-11-07 06:02:21,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8492f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:02:21, skipping insertion in model container [2020-11-07 06:02:21,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:02:19" (2/3) ... [2020-11-07 06:02:21,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8492f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:02:21, skipping insertion in model container [2020-11-07 06:02:21,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:02:21" (3/3) ... [2020-11-07 06:02:21,203 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-11-07 06:02:21,218 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 06:02:21,222 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 06:02:21,235 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 06:02:21,258 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 06:02:21,258 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 06:02:21,259 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 06:02:21,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 06:02:21,259 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 06:02:21,259 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 06:02:21,259 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 06:02:21,260 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 06:02:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 06:02:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-07 06:02:21,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:02:21,344 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] [2020-11-07 06:02:21,345 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:02:21,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:02:21,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1078738379, now seen corresponding path program 1 times [2020-11-07 06:02:21,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:02:21,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623002842] [2020-11-07 06:02:21,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:02:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:21,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:02:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:02:22,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623002842] [2020-11-07 06:02:22,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:02:22,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 06:02:22,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635069333] [2020-11-07 06:02:22,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 06:02:22,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:02:22,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 06:02:22,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 06:02:22,117 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 06:02:26,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:02:26,183 INFO L93 Difference]: Finished difference Result 1444 states and 2039 transitions. [2020-11-07 06:02:26,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 06:02:26,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-11-07 06:02:26,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:02:26,212 INFO L225 Difference]: With dead ends: 1444 [2020-11-07 06:02:26,213 INFO L226 Difference]: Without dead ends: 857 [2020-11-07 06:02:26,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:02:26,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-11-07 06:02:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 784. [2020-11-07 06:02:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-11-07 06:02:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 956 transitions. [2020-11-07 06:02:26,532 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 956 transitions. Word has length 139 [2020-11-07 06:02:26,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:02:26,537 INFO L481 AbstractCegarLoop]: Abstraction has 784 states and 956 transitions. [2020-11-07 06:02:26,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 06:02:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 956 transitions. [2020-11-07 06:02:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-07 06:02:26,553 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:02:26,554 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-07 06:02:26,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 06:02:26,555 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:02:26,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:02:26,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1341853160, now seen corresponding path program 1 times [2020-11-07 06:02:26,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:02:26,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858771770] [2020-11-07 06:02:26,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:02:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:02:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:02:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 06:02:26,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858771770] [2020-11-07 06:02:26,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 06:02:26,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 06:02:26,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723064827] [2020-11-07 06:02:26,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:02:26,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:02:26,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:02:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:02:26,912 INFO L87 Difference]: Start difference. First operand 784 states and 956 transitions. Second operand 7 states. [2020-11-07 06:02:29,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:02:29,885 INFO L93 Difference]: Finished difference Result 2045 states and 2630 transitions. [2020-11-07 06:02:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 06:02:29,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-11-07 06:02:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:02:29,900 INFO L225 Difference]: With dead ends: 2045 [2020-11-07 06:02:29,901 INFO L226 Difference]: Without dead ends: 1291 [2020-11-07 06:02:29,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 06:02:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2020-11-07 06:02:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1249. [2020-11-07 06:02:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2020-11-07 06:02:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1550 transitions. [2020-11-07 06:02:30,193 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1550 transitions. Word has length 168 [2020-11-07 06:02:30,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:02:30,194 INFO L481 AbstractCegarLoop]: Abstraction has 1249 states and 1550 transitions. [2020-11-07 06:02:30,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:02:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1550 transitions. [2020-11-07 06:02:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-07 06:02:30,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:02:30,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 06:02:30,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 06:02:30,202 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:02:30,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:02:30,203 INFO L82 PathProgramCache]: Analyzing trace with hash 872191861, now seen corresponding path program 1 times [2020-11-07 06:02:30,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:02:30,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115455101] [2020-11-07 06:02:30,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:02:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:30,412 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 06:02:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:02:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:30,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:02:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:30,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 06:02:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-07 06:02:30,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115455101] [2020-11-07 06:02:30,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:02:30,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 06:02:30,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587142392] [2020-11-07 06:02:30,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:02:30,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:02:30,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:02:30,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:02:30,675 INFO L87 Difference]: Start difference. First operand 1249 states and 1550 transitions. Second operand 7 states. [2020-11-07 06:02:30,897 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 06:02:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:02:33,843 INFO L93 Difference]: Finished difference Result 3650 states and 4760 transitions. [2020-11-07 06:02:33,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 06:02:33,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-11-07 06:02:33,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:02:33,873 INFO L225 Difference]: With dead ends: 3650 [2020-11-07 06:02:33,873 INFO L226 Difference]: Without dead ends: 2431 [2020-11-07 06:02:33,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 06:02:33,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2020-11-07 06:02:34,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2309. [2020-11-07 06:02:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2020-11-07 06:02:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2901 transitions. [2020-11-07 06:02:34,379 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2901 transitions. Word has length 203 [2020-11-07 06:02:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:02:34,379 INFO L481 AbstractCegarLoop]: Abstraction has 2309 states and 2901 transitions. [2020-11-07 06:02:34,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:02:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2901 transitions. [2020-11-07 06:02:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-07 06:02:34,390 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:02:34,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 06:02:34,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 06:02:34,391 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:02:34,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:02:34,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1185168886, now seen corresponding path program 1 times [2020-11-07 06:02:34,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:02:34,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936046883] [2020-11-07 06:02:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:02:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:34,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:02:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:34,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:02:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:34,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 06:02:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-07 06:02:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-07 06:02:34,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936046883] [2020-11-07 06:02:34,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:02:34,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 06:02:34,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736796323] [2020-11-07 06:02:34,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 06:02:34,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:02:34,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 06:02:34,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 06:02:34,807 INFO L87 Difference]: Start difference. First operand 2309 states and 2901 transitions. Second operand 8 states. [2020-11-07 06:02:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:02:37,664 INFO L93 Difference]: Finished difference Result 5109 states and 6558 transitions. [2020-11-07 06:02:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 06:02:37,664 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-11-07 06:02:37,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:02:37,686 INFO L225 Difference]: With dead ends: 5109 [2020-11-07 06:02:37,686 INFO L226 Difference]: Without dead ends: 2830 [2020-11-07 06:02:37,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-07 06:02:37,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2020-11-07 06:02:38,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2787. [2020-11-07 06:02:38,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2787 states. [2020-11-07 06:02:38,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3478 transitions. [2020-11-07 06:02:38,239 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3478 transitions. Word has length 219 [2020-11-07 06:02:38,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:02:38,239 INFO L481 AbstractCegarLoop]: Abstraction has 2787 states and 3478 transitions. [2020-11-07 06:02:38,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 06:02:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3478 transitions. [2020-11-07 06:02:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-11-07 06:02:38,253 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:02:38,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 06:02:38,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 06:02:38,254 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:02:38,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:02:38,255 INFO L82 PathProgramCache]: Analyzing trace with hash -374127763, now seen corresponding path program 1 times [2020-11-07 06:02:38,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:02:38,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318604173] [2020-11-07 06:02:38,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:02:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:02:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:38,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:02:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 06:02:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 06:02:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-07 06:02:38,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318604173] [2020-11-07 06:02:38,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:02:38,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 06:02:38,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284097001] [2020-11-07 06:02:38,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 06:02:38,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:02:38,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 06:02:38,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-11-07 06:02:38,693 INFO L87 Difference]: Start difference. First operand 2787 states and 3478 transitions. Second operand 13 states. [2020-11-07 06:02:39,124 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-11-07 06:02:39,546 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-11-07 06:02:40,521 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 06:02:40,844 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 06:02:41,212 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-11-07 06:02:41,933 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-11-07 06:02:43,008 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-07 06:02:45,890 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-11-07 06:02:48,380 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-07 06:02:48,971 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-11-07 06:02:49,476 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 06:02:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:02:52,390 INFO L93 Difference]: Finished difference Result 11349 states and 14714 transitions. [2020-11-07 06:02:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 06:02:52,395 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2020-11-07 06:02:52,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:02:52,457 INFO L225 Difference]: With dead ends: 11349 [2020-11-07 06:02:52,457 INFO L226 Difference]: Without dead ends: 8592 [2020-11-07 06:02:52,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=669, Invalid=2637, Unknown=0, NotChecked=0, Total=3306 [2020-11-07 06:02:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2020-11-07 06:02:54,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 7738. [2020-11-07 06:02:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7738 states. [2020-11-07 06:02:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7738 states to 7738 states and 9370 transitions. [2020-11-07 06:02:54,275 INFO L78 Accepts]: Start accepts. Automaton has 7738 states and 9370 transitions. Word has length 224 [2020-11-07 06:02:54,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:02:54,275 INFO L481 AbstractCegarLoop]: Abstraction has 7738 states and 9370 transitions. [2020-11-07 06:02:54,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 06:02:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7738 states and 9370 transitions. [2020-11-07 06:02:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-07 06:02:54,302 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:02:54,304 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] [2020-11-07 06:02:54,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 06:02:54,304 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:02:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:02:54,308 INFO L82 PathProgramCache]: Analyzing trace with hash 862213169, now seen corresponding path program 1 times [2020-11-07 06:02:54,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:02:54,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706547772] [2020-11-07 06:02:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:02:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:02:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:54,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:02:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:54,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 06:02:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:54,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-11-07 06:02:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:02:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 89 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 06:02:54,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706547772] [2020-11-07 06:02:54,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:02:54,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 06:02:54,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849085160] [2020-11-07 06:02:54,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 06:02:54,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:02:54,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 06:02:54,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 06:02:54,574 INFO L87 Difference]: Start difference. First operand 7738 states and 9370 transitions. Second operand 7 states. [2020-11-07 06:02:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:02:59,443 INFO L93 Difference]: Finished difference Result 14694 states and 17641 transitions. [2020-11-07 06:02:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 06:02:59,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-11-07 06:02:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:02:59,490 INFO L225 Difference]: With dead ends: 14694 [2020-11-07 06:02:59,490 INFO L226 Difference]: Without dead ends: 6801 [2020-11-07 06:02:59,520 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 [2020-11-07 06:02:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6801 states. [2020-11-07 06:03:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6801 to 6461. [2020-11-07 06:03:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6461 states. [2020-11-07 06:03:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6461 states to 6461 states and 7497 transitions. [2020-11-07 06:03:00,676 INFO L78 Accepts]: Start accepts. Automaton has 6461 states and 7497 transitions. Word has length 228 [2020-11-07 06:03:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:03:00,677 INFO L481 AbstractCegarLoop]: Abstraction has 6461 states and 7497 transitions. [2020-11-07 06:03:00,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 06:03:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 6461 states and 7497 transitions. [2020-11-07 06:03:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-11-07 06:03:00,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:03:00,701 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 06:03:00,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 06:03:00,702 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:03:00,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:03:00,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1745719051, now seen corresponding path program 1 times [2020-11-07 06:03:00,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:03:00,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102681515] [2020-11-07 06:03:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:03:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:03:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:03:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:00,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 06:03:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:00,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 06:03:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 145 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-07 06:03:01,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102681515] [2020-11-07 06:03:01,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:03:01,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 06:03:01,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25596616] [2020-11-07 06:03:01,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 06:03:01,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:03:01,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 06:03:01,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-07 06:03:01,047 INFO L87 Difference]: Start difference. First operand 6461 states and 7497 transitions. Second operand 10 states. [2020-11-07 06:03:01,474 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-11-07 06:03:08,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:03:08,516 INFO L93 Difference]: Finished difference Result 12691 states and 14959 transitions. [2020-11-07 06:03:08,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 06:03:08,516 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2020-11-07 06:03:08,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:03:08,548 INFO L225 Difference]: With dead ends: 12691 [2020-11-07 06:03:08,548 INFO L226 Difference]: Without dead ends: 5573 [2020-11-07 06:03:08,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-11-07 06:03:08,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5573 states. [2020-11-07 06:03:09,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5573 to 5227. [2020-11-07 06:03:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5227 states. [2020-11-07 06:03:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 5854 transitions. [2020-11-07 06:03:09,733 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 5854 transitions. Word has length 274 [2020-11-07 06:03:09,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:03:09,734 INFO L481 AbstractCegarLoop]: Abstraction has 5227 states and 5854 transitions. [2020-11-07 06:03:09,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 06:03:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 5854 transitions. [2020-11-07 06:03:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-07 06:03:09,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 06:03:09,749 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 06:03:09,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 06:03:09,749 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 06:03:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 06:03:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2052661410, now seen corresponding path program 1 times [2020-11-07 06:03:09,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 06:03:09,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765794411] [2020-11-07 06:03:09,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 06:03:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:09,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 06:03:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 06:03:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:09,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 06:03:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:09,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 06:03:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-07 06:03:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:09,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 06:03:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 06:03:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 175 proven. 8 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-11-07 06:03:10,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765794411] [2020-11-07 06:03:10,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 06:03:10,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-11-07 06:03:10,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643819463] [2020-11-07 06:03:10,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 06:03:10,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 06:03:10,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 06:03:10,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-07 06:03:10,028 INFO L87 Difference]: Start difference. First operand 5227 states and 5854 transitions. Second operand 6 states. [2020-11-07 06:03:12,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 06:03:12,440 INFO L93 Difference]: Finished difference Result 5749 states and 6429 transitions. [2020-11-07 06:03:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 06:03:12,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2020-11-07 06:03:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 06:03:12,444 INFO L225 Difference]: With dead ends: 5749 [2020-11-07 06:03:12,444 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 06:03:12,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-07 06:03:12,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 06:03:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 06:03:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 06:03:12,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 06:03:12,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2020-11-07 06:03:12,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 06:03:12,459 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 06:03:12,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 06:03:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 06:03:12,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 06:03:12,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 06:03:12,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 06:03:28,201 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2020-11-07 06:03:55,541 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 143 [2020-11-07 06:04:12,979 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:04:13,875 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2020-11-07 06:04:16,156 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:17,281 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 162 DAG size of output: 69 [2020-11-07 06:04:18,232 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:04:20,442 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:22,650 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:24,882 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:25,868 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:04:26,808 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:04:27,751 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:04:29,998 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:30,820 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:04:31,840 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 06:04:32,775 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-11-07 06:04:33,656 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2020-11-07 06:04:34,199 WARN L194 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-11-07 06:04:35,027 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:04:35,913 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2020-11-07 06:04:36,736 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:04:37,567 WARN L194 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:04:39,806 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:42,026 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:42,970 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-11-07 06:04:43,801 WARN L194 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:04:44,517 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:04:45,480 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:04:47,703 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:48,374 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2020-11-07 06:04:49,808 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-11-07 06:04:52,049 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:53,080 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-11-07 06:04:54,015 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2020-11-07 06:04:55,007 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-11-07 06:04:55,911 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2020-11-07 06:04:56,797 WARN L194 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-11-07 06:04:59,038 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:04:59,891 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:00,649 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-11-07 06:05:02,906 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:03,908 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-11-07 06:05:04,748 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:06,999 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:07,637 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2020-11-07 06:05:08,970 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-11-07 06:05:11,216 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:13,465 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:14,418 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-11-07 06:05:15,297 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:15,911 WARN L194 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-11-07 06:05:16,786 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-11-07 06:05:17,735 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-11-07 06:05:18,582 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:19,509 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 06:05:20,443 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-11-07 06:05:21,304 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:22,155 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:24,431 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:26,688 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:28,972 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:30,127 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 155 DAG size of output: 69 [2020-11-07 06:05:31,062 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2020-11-07 06:05:33,327 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:34,383 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 06:05:35,360 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:05:36,349 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2020-11-07 06:05:38,628 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:39,335 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:05:41,613 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:43,895 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:46,166 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:47,196 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:05:48,157 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-11-07 06:05:50,433 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:05:51,626 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-11-07 06:05:53,080 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-11-07 06:05:53,941 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:54,802 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:55,655 WARN L194 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2020-11-07 06:05:56,517 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:57,387 WARN L194 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:05:59,680 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:01,976 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:02,900 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-11-07 06:06:03,887 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-11-07 06:06:04,767 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:05,649 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2020-11-07 06:06:07,051 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 155 DAG size of output: 70 [2020-11-07 06:06:09,344 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:11,641 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:13,952 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:14,881 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2020-11-07 06:06:15,874 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:06:16,593 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:06:18,895 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:19,891 WARN L194 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:06:22,204 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:24,517 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:25,398 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:26,754 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 158 DAG size of output: 70 [2020-11-07 06:06:27,635 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:28,516 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:29,643 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 162 DAG size of output: 70 [2020-11-07 06:06:31,969 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:32,857 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:35,179 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:36,230 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:06:37,114 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:38,193 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-11-07 06:06:40,517 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:42,848 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:45,170 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:46,064 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:47,153 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-11-07 06:06:48,043 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:50,379 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:06:51,393 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:06:52,415 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:06:53,146 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:06:54,090 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-11-07 06:06:55,125 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-11-07 06:06:56,072 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2020-11-07 06:06:57,249 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-11-07 06:06:58,142 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:06:59,366 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-11-07 06:07:00,468 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 06:07:01,370 WARN L194 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:02,269 WARN L194 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:03,158 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:05,511 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:06,411 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:08,756 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:11,122 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:12,133 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 71 [2020-11-07 06:07:12,950 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-11-07 06:07:13,924 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-11-07 06:07:15,033 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 06:07:16,127 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 06:07:17,220 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2020-11-07 06:07:18,267 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-11-07 06:07:18,954 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-11-07 06:07:20,015 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 06:07:20,921 WARN L194 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:21,952 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:23,033 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:07:25,399 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:26,434 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:28,808 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:29,852 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:31,323 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 162 DAG size of output: 69 [2020-11-07 06:07:32,337 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-11-07 06:07:33,249 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:35,628 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:36,545 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:37,485 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-11-07 06:07:38,409 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:07:40,803 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:41,846 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:44,242 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:46,650 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:47,743 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-11-07 06:07:50,137 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:51,238 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:07:53,656 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:07:54,710 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:55,763 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:56,821 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:07:59,219 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:00,272 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:08:02,681 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:03,605 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:04,428 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-11-07 06:08:05,353 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:07,750 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:08,671 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:09,599 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:10,808 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2020-11-07 06:08:13,224 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:15,653 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:16,784 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-11-07 06:08:19,195 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:20,310 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:08:22,719 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:25,152 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:27,665 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:28,544 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2020-11-07 06:08:29,482 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:31,908 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:32,995 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 06:08:35,429 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:36,494 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2020-11-07 06:08:37,375 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-11-07 06:08:38,308 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:39,515 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-11-07 06:08:40,602 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-11-07 06:08:41,537 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:42,475 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:43,444 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-11-07 06:08:44,391 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2020-11-07 06:08:45,328 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:08:46,204 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2020-11-07 06:08:47,201 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-11-07 06:08:49,643 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:50,673 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-11-07 06:08:51,773 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2020-11-07 06:08:52,887 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-11-07 06:08:53,922 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-11-07 06:08:56,376 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:58,829 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:08:59,678 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-11-07 06:09:00,672 WARN L194 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-11-07 06:09:01,938 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2020-11-07 06:09:03,057 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:09:03,999 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:05,276 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-11-07 06:09:06,369 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-11-07 06:09:07,290 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-11-07 06:09:09,748 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:12,212 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:13,085 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 64 [2020-11-07 06:09:15,547 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:18,026 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:19,041 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-11-07 06:09:21,520 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:22,560 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-11-07 06:09:25,031 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:26,122 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:09:28,608 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:31,084 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:33,571 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:34,683 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:09:35,773 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:09:36,921 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:09:39,406 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:40,494 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:09:41,407 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-11-07 06:09:42,213 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2020-11-07 06:09:43,173 WARN L194 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:44,140 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:45,103 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:46,070 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:47,037 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:47,997 WARN L194 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:48,960 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:09:50,062 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-11-07 06:09:51,007 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-11-07 06:09:52,300 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 06:09:53,636 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-11-07 06:09:54,416 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:09:56,918 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:09:58,138 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2020-11-07 06:09:59,246 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-11-07 06:09:59,921 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2020-11-07 06:10:02,441 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:03,705 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2020-11-07 06:10:04,732 WARN L194 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:05,714 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:06,841 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-11-07 06:10:07,849 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 105 DAG size of output: 62 [2020-11-07 06:10:08,825 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:09,807 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:11,422 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-11-07 06:10:12,408 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:13,566 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-11-07 06:10:16,071 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:18,756 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:19,805 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:22,499 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:23,538 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:26,248 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:27,498 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-11-07 06:10:28,528 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:29,315 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-11-07 06:10:30,336 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:31,618 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 06:10:34,262 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:35,281 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:36,297 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:38,972 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:40,010 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:42,580 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:43,635 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-11-07 06:10:44,601 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:47,219 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:10:48,287 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2020-11-07 06:10:49,279 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:50,272 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:51,335 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2020-11-07 06:10:52,447 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-11-07 06:10:54,162 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-11-07 06:10:55,171 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:56,692 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-11-07 06:10:57,747 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 105 DAG size of output: 62 [2020-11-07 06:10:58,809 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:10:59,798 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:01,459 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-11-07 06:11:02,490 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:03,503 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:04,296 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2020-11-07 06:11:05,285 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:06,494 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-11-07 06:11:09,246 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:09,416 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 32 [2020-11-07 06:11:12,124 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:13,183 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 161 DAG size of output: 68 [2020-11-07 06:11:14,312 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2020-11-07 06:11:15,093 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-11-07 06:11:16,135 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:17,367 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-11-07 06:11:18,395 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:19,466 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-11-07 06:11:20,710 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 06:11:22,005 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-11-07 06:11:23,239 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-11-07 06:11:24,258 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:25,279 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:27,869 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:29,023 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:11:30,012 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:11:32,652 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:35,259 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:36,636 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-11-07 06:11:39,270 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:40,092 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:11:40,927 WARN L194 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:11:42,144 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:11:44,748 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:45,898 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:11:48,493 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:51,020 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:52,145 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:11:54,678 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:57,201 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:11:58,325 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:11:59,122 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2020-11-07 06:12:00,099 WARN L194 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:12:01,195 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2020-11-07 06:12:02,182 WARN L194 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:12:03,296 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:12:05,823 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:08,357 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:09,427 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-11-07 06:12:11,937 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:14,478 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:15,665 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:12:16,652 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:12:17,449 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:12:18,449 WARN L194 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:12:20,995 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:22,161 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:12:23,409 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:12:24,576 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:12:25,787 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:12:35,907 WARN L194 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 276 DAG size of output: 141 [2020-11-07 06:12:46,195 WARN L194 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 276 DAG size of output: 142 [2020-11-07 06:12:48,775 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:49,969 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 06:12:51,193 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-11-07 06:12:53,792 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:54,964 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-11-07 06:12:57,560 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:12:58,588 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:12:59,654 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2020-11-07 06:13:02,242 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:04,842 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:05,862 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:13:07,421 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-11-07 06:13:08,459 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:13:09,984 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-11-07 06:13:11,490 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 161 DAG size of output: 72 [2020-11-07 06:13:12,779 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 06:13:13,725 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2020-11-07 06:13:14,752 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:13:15,913 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-11-07 06:13:17,039 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2020-11-07 06:13:19,665 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:22,315 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:24,922 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:25,691 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-11-07 06:13:28,309 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:29,553 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 06:13:32,185 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:34,806 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:37,461 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:38,281 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:13:39,452 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:13:40,602 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2020-11-07 06:13:43,234 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:13:44,278 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:13:45,314 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:13:46,478 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-11-07 06:13:47,614 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 06:13:48,607 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-11-07 06:13:49,932 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 162 DAG size of output: 68 [2020-11-07 06:13:50,974 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:13:52,360 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2020-11-07 06:13:53,491 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-11-07 06:13:54,573 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-11-07 06:13:55,804 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:13:57,034 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:13:58,257 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-11-07 06:13:59,315 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:00,057 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 06:14:01,114 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:02,195 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-11-07 06:14:04,858 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:06,005 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2020-11-07 06:14:07,043 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:09,685 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:12,402 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:13,435 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:14,486 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:15,550 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:16,779 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2020-11-07 06:14:17,828 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:20,528 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:21,609 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 06:14:24,291 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:26,974 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:28,107 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-11-07 06:14:29,511 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-11-07 06:14:30,362 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-11-07 06:14:31,561 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:14:34,255 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:35,310 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-11-07 06:14:36,375 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:37,140 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 06:14:39,828 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:42,528 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:43,593 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:44,709 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-11-07 06:14:45,784 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:46,872 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:48,173 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 167 DAG size of output: 70 [2020-11-07 06:14:49,515 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2020-11-07 06:14:50,589 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:14:52,043 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-11-07 06:14:53,144 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-11-07 06:14:54,395 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-11-07 06:14:57,113 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:14:58,570 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-11-07 06:14:59,653 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:15:00,728 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:15:01,795 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:15:02,890 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:15:04,033 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2020-11-07 06:15:06,782 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:15:08,213 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 06:15:10,946 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-11-07 06:15:12,026 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-11-07 06:15:13,102 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51