/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_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:57:41,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:57:41,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:57:41,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:57:41,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:57:41,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:57:41,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:57:41,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:57:41,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:57:41,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:57:41,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:57:41,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:57:41,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:57:41,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:57:41,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:57:41,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:57:41,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:57:41,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:57:41,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:57:41,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:57:41,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:57:41,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:57:41,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:57:41,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:57:41,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:57:41,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:57:41,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:57:41,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:57:41,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:57:41,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:57:41,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:57:41,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:57:41,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:57:41,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:57:41,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:57:41,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:57:41,947 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:57:41,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:57:41,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:57:41,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:57:41,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:57:41,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:57:41,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:57:41,949 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:57:42,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:57:42,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:57:42,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:57:42,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:57:42,447 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:57:42,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-11-07 05:57:42,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e5bc008/0475ed7749284344baf26d248021cfb3/FLAGfde1ebeba [2020-11-07 05:57:43,209 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:57:43,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-11-07 05:57:43,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e5bc008/0475ed7749284344baf26d248021cfb3/FLAGfde1ebeba [2020-11-07 05:57:43,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e5bc008/0475ed7749284344baf26d248021cfb3 [2020-11-07 05:57:43,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:57:43,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:57:43,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:57:43,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:57:43,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:57:43,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:57:43" (1/1) ... [2020-11-07 05:57:43,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69278ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:43, skipping insertion in model container [2020-11-07 05:57:43,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:57:43" (1/1) ... [2020-11-07 05:57:43,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:57:43,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:57:44,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:57:44,099 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:57:44,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:57:44,231 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:57:44,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44 WrapperNode [2020-11-07 05:57:44,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:57:44,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:57:44,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:57:44,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:57:44,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... [2020-11-07 05:57:44,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:57:44,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:57:44,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:57:44,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:57:44,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:57:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:57:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:57:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:57:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:57:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:57:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:57:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:57:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:57:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:57:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:57:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:57:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:57:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:57:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:57:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:57:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:57:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:57:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:57:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:57:46,224 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:57:46,225 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:57:46,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:57:46 BoogieIcfgContainer [2020-11-07 05:57:46,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:57:46,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:57:46,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:57:46,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:57:46,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:57:43" (1/3) ... [2020-11-07 05:57:46,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe601f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:57:46, skipping insertion in model container [2020-11-07 05:57:46,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:44" (2/3) ... [2020-11-07 05:57:46,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe601f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:57:46, skipping insertion in model container [2020-11-07 05:57:46,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:57:46" (3/3) ... [2020-11-07 05:57:46,240 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-11-07 05:57:46,255 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:57:46,259 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:57:46,271 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:57:46,295 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:57:46,295 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:57:46,295 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:57:46,296 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:57:46,296 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:57:46,296 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:57:46,296 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:57:46,296 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:57:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:57:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-07 05:57:46,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:46,346 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] [2020-11-07 05:57:46,346 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:46,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:46,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1591556004, now seen corresponding path program 1 times [2020-11-07 05:57:46,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:46,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519286069] [2020-11-07 05:57:46,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:47,051 WARN L194 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:57:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:57:47,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519286069] [2020-11-07 05:57:47,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:57:47,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:57:47,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202706672] [2020-11-07 05:57:47,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:57:47,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:47,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:57:47,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:57:47,186 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:57:47,501 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 05:57:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:52,108 INFO L93 Difference]: Finished difference Result 1674 states and 2279 transitions. [2020-11-07 05:57:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 05:57:52,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-11-07 05:57:52,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:52,133 INFO L225 Difference]: With dead ends: 1674 [2020-11-07 05:57:52,133 INFO L226 Difference]: Without dead ends: 1048 [2020-11-07 05:57:52,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:57:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-11-07 05:57:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 875. [2020-11-07 05:57:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-11-07 05:57:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1075 transitions. [2020-11-07 05:57:52,363 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1075 transitions. Word has length 124 [2020-11-07 05:57:52,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:52,365 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 1075 transitions. [2020-11-07 05:57:52,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:57:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1075 transitions. [2020-11-07 05:57:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-07 05:57:52,374 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:52,375 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-07 05:57:52,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:57:52,377 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:52,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:52,378 INFO L82 PathProgramCache]: Analyzing trace with hash 949253388, now seen corresponding path program 1 times [2020-11-07 05:57:52,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:52,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661176888] [2020-11-07 05:57:52,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:52,643 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:57:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:57:52,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661176888] [2020-11-07 05:57:52,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:57:52,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 05:57:52,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101298352] [2020-11-07 05:57:52,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:57:52,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:52,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:57:52,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:57:52,808 INFO L87 Difference]: Start difference. First operand 875 states and 1075 transitions. Second operand 10 states. [2020-11-07 05:57:53,059 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-07 05:57:53,655 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 05:58:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:00,105 INFO L93 Difference]: Finished difference Result 2360 states and 2927 transitions. [2020-11-07 05:58:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-07 05:58:00,106 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2020-11-07 05:58:00,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:00,118 INFO L225 Difference]: With dead ends: 2360 [2020-11-07 05:58:00,118 INFO L226 Difference]: Without dead ends: 1515 [2020-11-07 05:58:00,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2020-11-07 05:58:00,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-11-07 05:58:00,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1217. [2020-11-07 05:58:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2020-11-07 05:58:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1475 transitions. [2020-11-07 05:58:00,377 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1475 transitions. Word has length 142 [2020-11-07 05:58:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:00,378 INFO L481 AbstractCegarLoop]: Abstraction has 1217 states and 1475 transitions. [2020-11-07 05:58:00,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:58:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1475 transitions. [2020-11-07 05:58:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-07 05:58:00,383 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:00,384 INFO L422 BasicCegarLoop]: trace histogram [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 05:58:00,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:58:00,384 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:00,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:00,385 INFO L82 PathProgramCache]: Analyzing trace with hash 193777434, now seen corresponding path program 1 times [2020-11-07 05:58:00,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:00,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914834608] [2020-11-07 05:58:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:58:00,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914834608] [2020-11-07 05:58:00,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:00,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-07 05:58:00,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416984880] [2020-11-07 05:58:00,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:58:00,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:00,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:58:00,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:58:00,724 INFO L87 Difference]: Start difference. First operand 1217 states and 1475 transitions. Second operand 5 states. [2020-11-07 05:58:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:03,502 INFO L93 Difference]: Finished difference Result 2452 states and 2978 transitions. [2020-11-07 05:58:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-07 05:58:03,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-11-07 05:58:03,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:03,517 INFO L225 Difference]: With dead ends: 2452 [2020-11-07 05:58:03,517 INFO L226 Difference]: Without dead ends: 1265 [2020-11-07 05:58:03,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:58:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-11-07 05:58:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1179. [2020-11-07 05:58:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2020-11-07 05:58:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1407 transitions. [2020-11-07 05:58:03,735 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1407 transitions. Word has length 146 [2020-11-07 05:58:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:03,736 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 1407 transitions. [2020-11-07 05:58:03,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:58:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1407 transitions. [2020-11-07 05:58:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 05:58:03,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:03,741 INFO L422 BasicCegarLoop]: trace histogram [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 05:58:03,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:58:03,744 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:03,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:03,745 INFO L82 PathProgramCache]: Analyzing trace with hash -670415625, now seen corresponding path program 1 times [2020-11-07 05:58:03,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:03,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191390047] [2020-11-07 05:58:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:03,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:58:03,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191390047] [2020-11-07 05:58:03,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:58:03,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:58:03,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066082104] [2020-11-07 05:58:03,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:58:03,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:03,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:58:03,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:58:03,980 INFO L87 Difference]: Start difference. First operand 1179 states and 1407 transitions. Second operand 7 states. [2020-11-07 05:58:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:06,803 INFO L93 Difference]: Finished difference Result 3151 states and 3959 transitions. [2020-11-07 05:58:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:58:06,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2020-11-07 05:58:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:06,822 INFO L225 Difference]: With dead ends: 3151 [2020-11-07 05:58:06,823 INFO L226 Difference]: Without dead ends: 2002 [2020-11-07 05:58:06,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:58:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2020-11-07 05:58:07,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1948. [2020-11-07 05:58:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-11-07 05:58:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2350 transitions. [2020-11-07 05:58:07,189 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2350 transitions. Word has length 148 [2020-11-07 05:58:07,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:07,190 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 2350 transitions. [2020-11-07 05:58:07,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:58:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2350 transitions. [2020-11-07 05:58:07,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 05:58:07,197 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:07,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:58:07,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:58:07,198 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:07,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:07,199 INFO L82 PathProgramCache]: Analyzing trace with hash 162207612, now seen corresponding path program 1 times [2020-11-07 05:58:07,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:07,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927717860] [2020-11-07 05:58:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:07,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:58:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:58:07,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927717860] [2020-11-07 05:58:07,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:07,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:58:07,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731933476] [2020-11-07 05:58:07,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:58:07,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:07,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:58:07,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:58:07,486 INFO L87 Difference]: Start difference. First operand 1948 states and 2350 transitions. Second operand 8 states. [2020-11-07 05:58:11,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:11,774 INFO L93 Difference]: Finished difference Result 5289 states and 6713 transitions. [2020-11-07 05:58:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:58:11,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-11-07 05:58:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:11,801 INFO L225 Difference]: With dead ends: 5289 [2020-11-07 05:58:11,801 INFO L226 Difference]: Without dead ends: 3521 [2020-11-07 05:58:11,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:58:11,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2020-11-07 05:58:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3499. [2020-11-07 05:58:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3499 states. [2020-11-07 05:58:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3499 states and 4305 transitions. [2020-11-07 05:58:12,486 INFO L78 Accepts]: Start accepts. Automaton has 3499 states and 4305 transitions. Word has length 166 [2020-11-07 05:58:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:12,487 INFO L481 AbstractCegarLoop]: Abstraction has 3499 states and 4305 transitions. [2020-11-07 05:58:12,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:58:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3499 states and 4305 transitions. [2020-11-07 05:58:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-07 05:58:12,499 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:12,499 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:58:12,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:58:12,500 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:12,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:12,500 INFO L82 PathProgramCache]: Analyzing trace with hash 95987142, now seen corresponding path program 1 times [2020-11-07 05:58:12,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:12,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613870717] [2020-11-07 05:58:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:12,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:12,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:58:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:58:12,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613870717] [2020-11-07 05:58:12,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:12,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:58:12,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378310578] [2020-11-07 05:58:12,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:58:12,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:12,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:58:12,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:58:12,826 INFO L87 Difference]: Start difference. First operand 3499 states and 4305 transitions. Second operand 10 states. [2020-11-07 05:58:13,471 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:58:14,978 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 05:58:16,216 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-07 05:58:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:22,753 INFO L93 Difference]: Finished difference Result 8181 states and 10240 transitions. [2020-11-07 05:58:22,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-11-07 05:58:22,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 175 [2020-11-07 05:58:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:22,788 INFO L225 Difference]: With dead ends: 8181 [2020-11-07 05:58:22,789 INFO L226 Difference]: Without dead ends: 4862 [2020-11-07 05:58:22,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2020-11-07 05:58:22,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2020-11-07 05:58:23,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 3961. [2020-11-07 05:58:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3961 states. [2020-11-07 05:58:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 3961 states and 4683 transitions. [2020-11-07 05:58:23,547 INFO L78 Accepts]: Start accepts. Automaton has 3961 states and 4683 transitions. Word has length 175 [2020-11-07 05:58:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:23,547 INFO L481 AbstractCegarLoop]: Abstraction has 3961 states and 4683 transitions. [2020-11-07 05:58:23,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:58:23,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3961 states and 4683 transitions. [2020-11-07 05:58:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-07 05:58:23,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:23,558 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:58:23,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:58:23,558 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:23,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:23,559 INFO L82 PathProgramCache]: Analyzing trace with hash -665875566, now seen corresponding path program 1 times [2020-11-07 05:58:23,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:23,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738068455] [2020-11-07 05:58:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:23,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:23,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:58:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:58:23,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738068455] [2020-11-07 05:58:23,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:23,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:58:23,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20018566] [2020-11-07 05:58:23,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:58:23,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:23,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:58:23,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:58:23,840 INFO L87 Difference]: Start difference. First operand 3961 states and 4683 transitions. Second operand 8 states. [2020-11-07 05:58:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:26,571 INFO L93 Difference]: Finished difference Result 7773 states and 9216 transitions. [2020-11-07 05:58:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:58:26,578 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2020-11-07 05:58:26,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:26,602 INFO L225 Difference]: With dead ends: 7773 [2020-11-07 05:58:26,602 INFO L226 Difference]: Without dead ends: 3421 [2020-11-07 05:58:26,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 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 05:58:26,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2020-11-07 05:58:27,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 3407. [2020-11-07 05:58:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-11-07 05:58:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 3856 transitions. [2020-11-07 05:58:27,255 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 3856 transitions. Word has length 179 [2020-11-07 05:58:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:27,256 INFO L481 AbstractCegarLoop]: Abstraction has 3407 states and 3856 transitions. [2020-11-07 05:58:27,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:58:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 3856 transitions. [2020-11-07 05:58:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 05:58:27,268 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:27,268 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:58:27,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:58:27,269 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:27,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:27,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1914127196, now seen corresponding path program 1 times [2020-11-07 05:58:27,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:27,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710481484] [2020-11-07 05:58:27,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:27,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:27,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:27,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:58:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-11-07 05:58:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 124 proven. 22 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-07 05:58:27,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710481484] [2020-11-07 05:58:27,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:27,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:58:27,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392752596] [2020-11-07 05:58:27,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:58:27,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:27,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:58:27,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:58:27,554 INFO L87 Difference]: Start difference. First operand 3407 states and 3856 transitions. Second operand 7 states. [2020-11-07 05:58:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:30,207 INFO L93 Difference]: Finished difference Result 7517 states and 8827 transitions. [2020-11-07 05:58:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:58:30,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-11-07 05:58:30,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:30,234 INFO L225 Difference]: With dead ends: 7517 [2020-11-07 05:58:30,234 INFO L226 Difference]: Without dead ends: 4290 [2020-11-07 05:58:30,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:58:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4290 states. [2020-11-07 05:58:30,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4290 to 3855. [2020-11-07 05:58:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3855 states. [2020-11-07 05:58:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 4337 transitions. [2020-11-07 05:58:30,944 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 4337 transitions. Word has length 240 [2020-11-07 05:58:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:30,944 INFO L481 AbstractCegarLoop]: Abstraction has 3855 states and 4337 transitions. [2020-11-07 05:58:30,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:58:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 4337 transitions. [2020-11-07 05:58:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-11-07 05:58:30,957 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:30,957 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-11-07 05:58:30,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:58:30,958 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:30,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:30,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1317338636, now seen corresponding path program 1 times [2020-11-07 05:58:30,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:30,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568759620] [2020-11-07 05:58:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:31,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:31,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:31,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:58:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-11-07 05:58:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 05:58:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 140 proven. 26 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-07 05:58:31,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568759620] [2020-11-07 05:58:31,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:31,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:58:31,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665531777] [2020-11-07 05:58:31,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:58:31,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:31,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:58:31,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:58:31,269 INFO L87 Difference]: Start difference. First operand 3855 states and 4337 transitions. Second operand 9 states. [2020-11-07 05:58:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:33,666 INFO L93 Difference]: Finished difference Result 7034 states and 8147 transitions. [2020-11-07 05:58:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 05:58:33,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2020-11-07 05:58:33,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:33,691 INFO L225 Difference]: With dead ends: 7034 [2020-11-07 05:58:33,691 INFO L226 Difference]: Without dead ends: 3357 [2020-11-07 05:58:33,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:58:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-11-07 05:58:34,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 2793. [2020-11-07 05:58:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2793 states. [2020-11-07 05:58:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3098 transitions. [2020-11-07 05:58:34,365 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3098 transitions. Word has length 258 [2020-11-07 05:58:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:34,366 INFO L481 AbstractCegarLoop]: Abstraction has 2793 states and 3098 transitions. [2020-11-07 05:58:34,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:58:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3098 transitions. [2020-11-07 05:58:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-11-07 05:58:34,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:34,377 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:58:34,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:58:34,377 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1286416719, now seen corresponding path program 1 times [2020-11-07 05:58:34,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:34,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854064451] [2020-11-07 05:58:34,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:34,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:34,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:34,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:58:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:34,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 05:58:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 05:58:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 173 proven. 13 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-07 05:58:34,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854064451] [2020-11-07 05:58:34,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:34,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:58:34,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111747093] [2020-11-07 05:58:34,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:58:34,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:34,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:58:34,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:58:34,688 INFO L87 Difference]: Start difference. First operand 2793 states and 3098 transitions. Second operand 7 states. [2020-11-07 05:58:37,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:37,391 INFO L93 Difference]: Finished difference Result 4929 states and 5500 transitions. [2020-11-07 05:58:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 05:58:37,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-11-07 05:58:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:37,404 INFO L225 Difference]: With dead ends: 4929 [2020-11-07 05:58:37,404 INFO L226 Difference]: Without dead ends: 2256 [2020-11-07 05:58:37,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:58:37,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2020-11-07 05:58:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 2254. [2020-11-07 05:58:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2254 states. [2020-11-07 05:58:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 2399 transitions. [2020-11-07 05:58:38,070 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 2399 transitions. Word has length 266 [2020-11-07 05:58:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:38,070 INFO L481 AbstractCegarLoop]: Abstraction has 2254 states and 2399 transitions. [2020-11-07 05:58:38,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:58:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2399 transitions. [2020-11-07 05:58:38,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-11-07 05:58:38,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:58:38,078 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:58:38,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:58:38,078 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:58:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:58:38,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1754143541, now seen corresponding path program 1 times [2020-11-07 05:58:38,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:58:38,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256640611] [2020-11-07 05:58:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:58:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:38,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 05:58:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:38,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-11-07 05:58:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 155 proven. 26 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-07 05:58:38,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256640611] [2020-11-07 05:58:38,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:38,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:58:38,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161212372] [2020-11-07 05:58:38,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:58:38,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:38,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:58:38,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:58:38,841 INFO L87 Difference]: Start difference. First operand 2254 states and 2399 transitions. Second operand 13 states. [2020-11-07 05:58:40,553 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-11-07 05:58:41,188 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-11-07 05:58:41,877 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-11-07 05:58:43,381 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-11-07 05:58:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:43,790 INFO L93 Difference]: Finished difference Result 4497 states and 4786 transitions. [2020-11-07 05:58:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:58:43,791 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 293 [2020-11-07 05:58:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:43,794 INFO L225 Difference]: With dead ends: 4497 [2020-11-07 05:58:43,794 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:58:43,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2020-11-07 05:58:43,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:58:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:58:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:58:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:58:43,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 293 [2020-11-07 05:58:43,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:43,805 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:58:43,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:58:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:58:43,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:58:43,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 05:58:43,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:59:45,378 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 05:59:46,338 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2020-11-07 05:59:48,806 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:49,884 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-11-07 05:59:51,127 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 05:59:53,547 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:56,002 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:58,413 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:59,690 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:00:00,935 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:00:01,824 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:00:04,243 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:00:04,999 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:05,910 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:00:06,873 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 06:00:07,848 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2020-11-07 06:00:08,729 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2020-11-07 06:00:09,484 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:10,365 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-11-07 06:00:11,113 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:11,862 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:14,427 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:16,981 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:17,839 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2020-11-07 06:00:18,589 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:19,777 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:00:21,030 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:00:23,465 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:00:24,407 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2020-11-07 06:00:25,719 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2020-11-07 06:00:28,285 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:29,230 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-11-07 06:00:30,106 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2020-11-07 06:00:30,984 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-11-07 06:00:31,811 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-11-07 06:00:32,703 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-11-07 06:00:35,272 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:36,040 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:36,879 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-11-07 06:00:39,460 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:40,343 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-11-07 06:00:41,098 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:43,698 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:44,569 WARN L194 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-11-07 06:00:45,783 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 152 DAG size of output: 78 [2020-11-07 06:00:48,382 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:50,975 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:00:51,787 WARN L194 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-11-07 06:00:52,593 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:53,442 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-11-07 06:00:54,318 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2020-11-07 06:00:55,075 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:56,012 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-11-07 06:00:56,857 WARN L194 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 06:00:57,701 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2020-11-07 06:00:58,465 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:00:59,236 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:01:01,860 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:04,476 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:06,969 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:07,849 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-11-07 06:01:08,754 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2020-11-07 06:01:11,361 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:12,282 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:01:13,190 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:01:14,170 WARN L194 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 06:01:16,660 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:17,594 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:01:20,095 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:22,590 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:25,090 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:01:25,999 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:01:26,833 WARN L194 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-11-07 06:01:29,466 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:30,655 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-11-07 06:01:31,661 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-11-07 06:01:32,441 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:01:33,224 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:01:34,149 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2020-11-07 06:01:34,931 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:01:35,724 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:01:38,367 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:41,006 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:41,923 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-11-07 06:01:42,800 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 06:01:43,586 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:01:44,454 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2020-11-07 06:01:45,465 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 153 DAG size of output: 73 [2020-11-07 06:01:47,976 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:50,629 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:53,282 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:01:54,171 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-11-07 06:01:55,115 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:01:56,043 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:01:58,561 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:59,781 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:02:02,316 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:02:04,846 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:02:05,638 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:06,674 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 06:02:07,466 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:08,259 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:09,167 WARN L194 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-11-07 06:02:11,836 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:12,631 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:15,309 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:16,152 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:02:16,949 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:17,961 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 151 DAG size of output: 73 [2020-11-07 06:02:20,637 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:23,324 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:26,010 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:26,809 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:27,788 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2020-11-07 06:02:28,586 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:31,144 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:02:32,373 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:02:33,311 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:02:34,645 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:02:35,647 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:02:36,543 WARN L194 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-11-07 06:02:37,491 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2020-11-07 06:02:38,465 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:02:39,270 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:40,519 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2020-11-07 06:02:41,469 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2020-11-07 06:02:42,273 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:43,090 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:43,904 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:46,596 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:47,407 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:02:50,122 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:52,842 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:02:53,927 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 06:02:54,844 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2020-11-07 06:02:55,839 WARN L194 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-11-07 06:02:56,802 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:02:57,833 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 06:02:58,863 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 06:02:59,725 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-11-07 06:03:00,698 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 06:03:01,664 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2020-11-07 06:03:02,474 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:03,422 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:03:04,369 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:03:06,948 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:07,898 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:03:10,473 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:03:11,467 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:03:12,462 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-11-07 06:03:13,374 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-11-07 06:03:14,191 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:16,911 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:03:17,729 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:18,714 WARN L194 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2020-11-07 06:03:19,529 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:22,257 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:03:23,213 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:03:25,822 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:28,586 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:29,639 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2020-11-07 06:03:32,442 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:33,904 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:03:36,666 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:38,031 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:03:39,386 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:03:40,746 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:03:43,517 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:03:44,562 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:03:47,338 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:03:48,184 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:49,283 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 06:03:50,130 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:52,919 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:03:53,752 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:54,606 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:03:55,582 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-11-07 06:03:58,377 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:01,264 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:02,277 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 06:04:04,992 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:05,997 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:04:08,757 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:11,587 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:14,576 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:15,561 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-11-07 06:04:16,446 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:04:19,392 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:20,345 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2020-11-07 06:04:23,205 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:24,229 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2020-11-07 06:04:25,205 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2020-11-07 06:04:26,072 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:04:27,250 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 158 DAG size of output: 70 [2020-11-07 06:04:28,182 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-11-07 06:04:29,047 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:04:29,901 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:04:30,953 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:04:31,976 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 154 DAG size of output: 55 [2020-11-07 06:04:32,841 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:04:33,809 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2020-11-07 06:04:34,825 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2020-11-07 06:04:37,700 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:38,647 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-11-07 06:04:39,726 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 06:04:40,667 WARN L194 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2020-11-07 06:04:41,600 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-11-07 06:04:44,461 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:47,304 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:04:48,232 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-11-07 06:04:49,198 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-11-07 06:04:50,237 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 06:04:51,113 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:04:51,939 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:04:53,233 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2020-11-07 06:04:54,157 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2020-11-07 06:04:55,164 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2020-11-07 06:04:57,941 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:00,707 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:01,663 WARN L194 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2020-11-07 06:05:04,439 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:07,209 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:08,190 WARN L194 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-11-07 06:05:10,967 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:12,064 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2020-11-07 06:05:14,833 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:15,835 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:05:18,513 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:21,162 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:23,797 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:24,792 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:05:26,079 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:05:27,098 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:05:29,763 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:05:30,750 WARN L194 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:05:31,725 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2020-11-07 06:05:32,702 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-11-07 06:05:33,550 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:34,401 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:35,245 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:36,098 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:36,939 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:37,781 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:38,629 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:39,555 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2020-11-07 06:05:40,504 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-11-07 06:05:41,480 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:05:42,855 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-11-07 06:05:43,866 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:05:46,522 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:47,643 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 06:05:48,585 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2020-11-07 06:05:49,583 WARN L194 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-11-07 06:05:52,394 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:05:53,488 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 153 DAG size of output: 73 [2020-11-07 06:05:54,387 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:55,243 WARN L194 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:56,182 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2020-11-07 06:05:57,118 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2020-11-07 06:05:57,961 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:05:58,809 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:00,253 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2020-11-07 06:06:01,104 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:02,112 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2020-11-07 06:06:04,911 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:07,711 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:08,568 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:11,410 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:14,079 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:06:14,927 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:15,913 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-11-07 06:06:16,775 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:17,799 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 06:06:18,642 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:19,674 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:06:22,502 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:23,363 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:24,222 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:27,039 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:27,898 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:30,747 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:31,733 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-11-07 06:06:32,598 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:35,421 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:36,451 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-11-07 06:06:37,316 WARN L194 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:38,182 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:39,181 WARN L194 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 06:06:40,166 WARN L194 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-11-07 06:06:41,303 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-11-07 06:06:42,177 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:43,534 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 152 DAG size of output: 78 [2020-11-07 06:06:44,488 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2020-11-07 06:06:45,345 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:46,202 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:47,678 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2020-11-07 06:06:48,545 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:49,414 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:50,461 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 06:06:51,339 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:06:52,303 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2020-11-07 06:06:55,146 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:55,306 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-11-07 06:06:58,144 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:06:59,172 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2020-11-07 06:07:00,213 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 06:07:01,252 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 06:07:02,127 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:03,404 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 157 DAG size of output: 70 [2020-11-07 06:07:04,281 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:05,268 WARN L194 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-11-07 06:07:06,275 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 147 DAG size of output: 67 [2020-11-07 06:07:07,504 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 70 [2020-11-07 06:07:08,568 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2020-11-07 06:07:09,443 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:10,312 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:13,165 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:07:14,217 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2020-11-07 06:07:15,096 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:15,975 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:18,729 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:21,440 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:22,788 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2020-11-07 06:07:25,521 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:26,409 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:27,430 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:07:28,783 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:07:31,515 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:32,851 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:07:35,582 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:07:38,316 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:07:39,337 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:07:42,083 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:07:44,821 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:07:46,170 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:07:47,195 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 06:07:48,076 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:49,061 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-11-07 06:07:49,942 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:07:50,963 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:07:53,707 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:56,442 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:57,516 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2020-11-07 06:08:00,391 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:08:03,141 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:08:04,498 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:08:05,841 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:08:07,193 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:08:09,956 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:08:10,890 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:08:11,829 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:08:12,774 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:08:13,745 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:08:22,941 WARN L194 SmtUtils]: Spent 9.19 s on a formula simplification. DAG size of input: 241 DAG size of output: 134 [2020-11-07 06:08:31,811 WARN L194 SmtUtils]: Spent 8.82 s on a formula simplification. DAG size of input: 241 DAG size of output: 134 [2020-11-07 06:08:34,741 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:08:35,843 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2020-11-07 06:08:36,934 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2020-11-07 06:08:39,876 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:08:40,893 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-11-07 06:08:43,840 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:08:44,749 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:08:45,802 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 06:08:48,740 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:08:51,669 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:08:52,574 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:08:53,997 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 152 DAG size of output: 78 [2020-11-07 06:08:54,901 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:08:55,988 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-11-07 06:08:57,439 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-11-07 06:08:58,428 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2020-11-07 06:08:59,531 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 06:09:00,447 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:01,416 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-11-07 06:09:02,616 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2020-11-07 06:09:05,571 WARN L194 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:09:08,526 WARN L194 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:09:11,476 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:09:12,563 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 06:09:15,538 WARN L194 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:09:16,608 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:09:19,443 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:09:22,263 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:09:25,066 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-11-07 06:09:26,141 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2020-11-07 06:09:27,630 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:09:28,745 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2020-11-07 06:09:31,738 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:09:32,655 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:33,570 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:34,580 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-11-07 06:09:35,591 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-11-07 06:09:36,631 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2020-11-07 06:09:37,988 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 157 DAG size of output: 70 [2020-11-07 06:09:38,921 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:40,085 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-11-07 06:09:41,124 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2020-11-07 06:09:42,175 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 06:09:43,139 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:09:44,119 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:09:45,093 WARN L194 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2020-11-07 06:09:46,025 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:47,041 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2020-11-07 06:09:48,202 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2020-11-07 06:09:49,137 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:52,131 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:09:53,171 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2020-11-07 06:09:54,096 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:09:57,098 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:10:00,145 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:10:01,089 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:10:02,041 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:10:02,969 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:10:04,090 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-11-07 06:10:05,025 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:10:07,865 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:10:08,903 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-11-07 06:10:11,757 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:10:14,777 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:10:15,849 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-11-07 06:10:17,273 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2020-11-07 06:10:18,806 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 06:10:20,241 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 06:10:23,108 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:10:24,188 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-11-07 06:10:25,127 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:10:26,228 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 06:10:29,261 WARN L194 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:10:32,305 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2020-11-07 06:10:33,241 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-11-07 06:10:34,197 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55