/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/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:32:36,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:32:36,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:32:37,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:32:37,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:32:37,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:32:37,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:32:37,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:32:37,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:32:37,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:32:37,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:32:37,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:32:37,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:32:37,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:32:37,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:32:37,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:32:37,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:32:37,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:32:37,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:32:37,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:32:37,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:32:37,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:32:37,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:32:37,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:32:37,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:32:37,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:32:37,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:32:37,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:32:37,106 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 05:32:37,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:32:37,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:32:37,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:32:37,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:32:37,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:32:37,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:32:37,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:32:37,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:32:37,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:32:37,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:32:37,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:32:37,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:32:37,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:32:37,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:32:37,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:32:37,137 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:32:37,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:32:37,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:32:37,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:32:37,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:32:37,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:32:37,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:32:37,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:32:37,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:32:37,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:32:37,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:32:37,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:32:37,576 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:32:37,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-11-07 05:32:37,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be41f5ebb/17d546aba8784d12a8624df7fda930c1/FLAG08c0262ea [2020-11-07 05:32:38,446 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:32:38,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-11-07 05:32:38,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be41f5ebb/17d546aba8784d12a8624df7fda930c1/FLAG08c0262ea [2020-11-07 05:32:38,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be41f5ebb/17d546aba8784d12a8624df7fda930c1 [2020-11-07 05:32:38,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:32:38,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:32:38,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:32:38,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:32:38,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:32:38,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:32:38" (1/1) ... [2020-11-07 05:32:38,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9b843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:38, skipping insertion in model container [2020-11-07 05:32:38,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:32:38" (1/1) ... [2020-11-07 05:32:38,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:32:38,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:32:39,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:32:39,275 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:32:39,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:32:39,464 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:32:39,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39 WrapperNode [2020-11-07 05:32:39,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:32:39,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:32:39,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:32:39,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:32:39,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (1/1) ... [2020-11-07 05:32:39,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:32:39,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:32:39,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:32:39,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:32:39,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (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 05:32:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:32:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:32:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:32:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:32:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:32:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:32:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:32:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:32:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:32:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:32:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:32:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:32:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:32:41,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:32:41,500 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:32:41,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:32:41 BoogieIcfgContainer [2020-11-07 05:32:41,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:32:41,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:32:41,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:32:41,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:32:41,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:32:38" (1/3) ... [2020-11-07 05:32:41,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aefc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:32:41, skipping insertion in model container [2020-11-07 05:32:41,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:39" (2/3) ... [2020-11-07 05:32:41,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aefc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:32:41, skipping insertion in model container [2020-11-07 05:32:41,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:32:41" (3/3) ... [2020-11-07 05:32:41,511 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-11-07 05:32:41,526 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:32:41,530 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:32:41,542 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:32:41,571 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:32:41,572 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:32:41,572 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:32:41,572 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:32:41,572 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:32:41,572 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:32:41,572 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:32:41,573 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:32:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-11-07 05:32:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-07 05:32:41,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:32:41,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:32:41,627 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:32:41,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:32:41,633 INFO L82 PathProgramCache]: Analyzing trace with hash -115806922, now seen corresponding path program 1 times [2020-11-07 05:32:41,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:32:41,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836601723] [2020-11-07 05:32:41,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:32:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:42,340 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:32:42,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:32:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:42,512 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 05:32:42,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836601723] [2020-11-07 05:32:42,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:32:42,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 05:32:42,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686610940] [2020-11-07 05:32:42,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 05:32:42,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:32:42,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 05:32:42,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 05:32:42,539 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 4 states. [2020-11-07 05:32:42,826 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:32:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:32:45,472 INFO L93 Difference]: Finished difference Result 1248 states and 1647 transitions. [2020-11-07 05:32:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:32:45,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2020-11-07 05:32:45,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:32:45,496 INFO L225 Difference]: With dead ends: 1248 [2020-11-07 05:32:45,496 INFO L226 Difference]: Without dead ends: 670 [2020-11-07 05:32:45,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:32:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-11-07 05:32:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 614. [2020-11-07 05:32:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-11-07 05:32:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 724 transitions. [2020-11-07 05:32:45,732 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 724 transitions. Word has length 165 [2020-11-07 05:32:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:32:45,733 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 724 transitions. [2020-11-07 05:32:45,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 05:32:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 724 transitions. [2020-11-07 05:32:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-07 05:32:45,742 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:32:45,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:45,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:32:45,743 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:32:45,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:32:45,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1469921190, now seen corresponding path program 1 times [2020-11-07 05:32:45,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:32:45,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759991311] [2020-11-07 05:32:45,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:32:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:32:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:32:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:32:46,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759991311] [2020-11-07 05:32:46,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:32:46,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-07 05:32:46,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842222735] [2020-11-07 05:32:46,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:32:46,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:32:46,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:32:46,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:32:46,183 INFO L87 Difference]: Start difference. First operand 614 states and 724 transitions. Second operand 5 states. [2020-11-07 05:32:46,378 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:32:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:32:48,566 INFO L93 Difference]: Finished difference Result 1534 states and 1885 transitions. [2020-11-07 05:32:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-07 05:32:48,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-11-07 05:32:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:32:48,580 INFO L225 Difference]: With dead ends: 1534 [2020-11-07 05:32:48,580 INFO L226 Difference]: Without dead ends: 952 [2020-11-07 05:32:48,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:32:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-11-07 05:32:48,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 900. [2020-11-07 05:32:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-11-07 05:32:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1081 transitions. [2020-11-07 05:32:48,831 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1081 transitions. Word has length 182 [2020-11-07 05:32:48,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:32:48,833 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1081 transitions. [2020-11-07 05:32:48,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:32:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1081 transitions. [2020-11-07 05:32:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-07 05:32:48,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:32:48,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:32:48,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:32:48,844 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:32:48,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:32:48,846 INFO L82 PathProgramCache]: Analyzing trace with hash -144863715, now seen corresponding path program 1 times [2020-11-07 05:32:48,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:32:48,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099326287] [2020-11-07 05:32:48,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:32:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:49,079 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:32:49,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:32:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:49,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:32:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:32:49,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099326287] [2020-11-07 05:32:49,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:32:49,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:32:49,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505143534] [2020-11-07 05:32:49,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:32:49,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:32:49,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:32:49,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:32:49,291 INFO L87 Difference]: Start difference. First operand 900 states and 1081 transitions. Second operand 8 states. [2020-11-07 05:32:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:32:53,120 INFO L93 Difference]: Finished difference Result 2854 states and 3677 transitions. [2020-11-07 05:32:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 05:32:53,120 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-11-07 05:32:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:32:53,138 INFO L225 Difference]: With dead ends: 2854 [2020-11-07 05:32:53,138 INFO L226 Difference]: Without dead ends: 1986 [2020-11-07 05:32:53,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-11-07 05:32:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2020-11-07 05:32:53,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1488. [2020-11-07 05:32:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-11-07 05:32:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1817 transitions. [2020-11-07 05:32:53,518 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1817 transitions. Word has length 187 [2020-11-07 05:32:53,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:32:53,518 INFO L481 AbstractCegarLoop]: Abstraction has 1488 states and 1817 transitions. [2020-11-07 05:32:53,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:32:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1817 transitions. [2020-11-07 05:32:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-11-07 05:32:53,526 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:32:53,527 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:53,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:32:53,528 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:32:53,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:32:53,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1393331669, now seen corresponding path program 1 times [2020-11-07 05:32:53,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:32:53,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122156967] [2020-11-07 05:32:53,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:32:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:32:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:53,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:32:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-11-07 05:32:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-07 05:32:53,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122156967] [2020-11-07 05:32:53,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:32:53,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:32:53,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042415514] [2020-11-07 05:32:53,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:32:53,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:32:53,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:32:53,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:32:53,859 INFO L87 Difference]: Start difference. First operand 1488 states and 1817 transitions. Second operand 7 states. [2020-11-07 05:32:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:32:56,737 INFO L93 Difference]: Finished difference Result 3354 states and 4236 transitions. [2020-11-07 05:32:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:32:56,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 227 [2020-11-07 05:32:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:32:56,757 INFO L225 Difference]: With dead ends: 3354 [2020-11-07 05:32:56,757 INFO L226 Difference]: Without dead ends: 1898 [2020-11-07 05:32:56,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 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 05:32:56,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2020-11-07 05:32:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1668. [2020-11-07 05:32:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-11-07 05:32:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2046 transitions. [2020-11-07 05:32:57,168 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2046 transitions. Word has length 227 [2020-11-07 05:32:57,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:32:57,169 INFO L481 AbstractCegarLoop]: Abstraction has 1668 states and 2046 transitions. [2020-11-07 05:32:57,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:32:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2046 transitions. [2020-11-07 05:32:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-11-07 05:32:57,177 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:32:57,177 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:57,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:32:57,178 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:32:57,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:32:57,179 INFO L82 PathProgramCache]: Analyzing trace with hash 419321260, now seen corresponding path program 1 times [2020-11-07 05:32:57,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:32:57,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12558026] [2020-11-07 05:32:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:32:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:32:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:32:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:57,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:32:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:32:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-07 05:32:57,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12558026] [2020-11-07 05:32:57,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:32:57,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:32:57,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826019017] [2020-11-07 05:32:57,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:32:57,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:32:57,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:32:57,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:32:57,535 INFO L87 Difference]: Start difference. First operand 1668 states and 2046 transitions. Second operand 7 states. [2020-11-07 05:33:00,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:00,631 INFO L93 Difference]: Finished difference Result 4240 states and 5368 transitions. [2020-11-07 05:33:00,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:33:00,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2020-11-07 05:33:00,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:00,654 INFO L225 Difference]: With dead ends: 4240 [2020-11-07 05:33:00,654 INFO L226 Difference]: Without dead ends: 2604 [2020-11-07 05:33:00,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 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 05:33:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2020-11-07 05:33:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2335. [2020-11-07 05:33:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2020-11-07 05:33:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 2864 transitions. [2020-11-07 05:33:01,251 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 2864 transitions. Word has length 249 [2020-11-07 05:33:01,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:01,252 INFO L481 AbstractCegarLoop]: Abstraction has 2335 states and 2864 transitions. [2020-11-07 05:33:01,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:33:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2864 transitions. [2020-11-07 05:33:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-11-07 05:33:01,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:33:01,265 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:01,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:33:01,266 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:33:01,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:33:01,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1685525489, now seen corresponding path program 1 times [2020-11-07 05:33:01,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:33:01,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369758017] [2020-11-07 05:33:01,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:33:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:01,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:33:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:01,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:33:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-11-07 05:33:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:01,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-07 05:33:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 102 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-07 05:33:01,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369758017] [2020-11-07 05:33:01,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:33:01,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:33:01,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507932301] [2020-11-07 05:33:01,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:33:01,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:33:01,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:33:01,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:33:01,653 INFO L87 Difference]: Start difference. First operand 2335 states and 2864 transitions. Second operand 8 states. [2020-11-07 05:33:02,052 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:33:06,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:06,594 INFO L93 Difference]: Finished difference Result 5919 states and 7356 transitions. [2020-11-07 05:33:06,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:33:06,594 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 272 [2020-11-07 05:33:06,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:06,615 INFO L225 Difference]: With dead ends: 5919 [2020-11-07 05:33:06,616 INFO L226 Difference]: Without dead ends: 3185 [2020-11-07 05:33:06,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:33:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2020-11-07 05:33:07,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3177. [2020-11-07 05:33:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3177 states. [2020-11-07 05:33:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 3723 transitions. [2020-11-07 05:33:07,277 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 3723 transitions. Word has length 272 [2020-11-07 05:33:07,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:07,279 INFO L481 AbstractCegarLoop]: Abstraction has 3177 states and 3723 transitions. [2020-11-07 05:33:07,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:33:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 3723 transitions. [2020-11-07 05:33:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-11-07 05:33:07,303 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:33:07,303 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-11-07 05:33:07,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:33:07,304 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:33:07,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:33:07,304 INFO L82 PathProgramCache]: Analyzing trace with hash -979964575, now seen corresponding path program 1 times [2020-11-07 05:33:07,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:33:07,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227727139] [2020-11-07 05:33:07,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:33:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:07,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:33:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:07,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:33:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:07,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-07 05:33:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 93 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-07 05:33:07,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227727139] [2020-11-07 05:33:07,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:33:07,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:33:07,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352394586] [2020-11-07 05:33:07,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:33:07,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:33:07,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:33:07,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:33:07,749 INFO L87 Difference]: Start difference. First operand 3177 states and 3723 transitions. Second operand 8 states. [2020-11-07 05:33:08,477 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:33:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:11,754 INFO L93 Difference]: Finished difference Result 6386 states and 7510 transitions. [2020-11-07 05:33:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:33:11,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 275 [2020-11-07 05:33:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:11,780 INFO L225 Difference]: With dead ends: 6386 [2020-11-07 05:33:11,781 INFO L226 Difference]: Without dead ends: 3382 [2020-11-07 05:33:11,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:33:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3382 states. [2020-11-07 05:33:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3382 to 2339. [2020-11-07 05:33:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2339 states. [2020-11-07 05:33:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 2693 transitions. [2020-11-07 05:33:12,364 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 2693 transitions. Word has length 275 [2020-11-07 05:33:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:12,364 INFO L481 AbstractCegarLoop]: Abstraction has 2339 states and 2693 transitions. [2020-11-07 05:33:12,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:33:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2693 transitions. [2020-11-07 05:33:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-11-07 05:33:12,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:33:12,376 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:33:12,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:33:12,377 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:33:12,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:33:12,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1238436911, now seen corresponding path program 1 times [2020-11-07 05:33:12,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:33:12,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147889692] [2020-11-07 05:33:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:33:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:33:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:33:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:33:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-07 05:33:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 32 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-07 05:33:12,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147889692] [2020-11-07 05:33:12,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:33:12,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:33:12,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268845683] [2020-11-07 05:33:12,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:33:12,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:33:12,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:33:12,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:33:12,850 INFO L87 Difference]: Start difference. First operand 2339 states and 2693 transitions. Second operand 8 states. [2020-11-07 05:33:14,225 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:33:16,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:16,536 INFO L93 Difference]: Finished difference Result 4725 states and 5461 transitions. [2020-11-07 05:33:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:33:16,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 292 [2020-11-07 05:33:16,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:16,553 INFO L225 Difference]: With dead ends: 4725 [2020-11-07 05:33:16,553 INFO L226 Difference]: Without dead ends: 2559 [2020-11-07 05:33:16,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:33:16,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2020-11-07 05:33:17,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2489. [2020-11-07 05:33:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2489 states. [2020-11-07 05:33:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 2850 transitions. [2020-11-07 05:33:17,070 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 2850 transitions. Word has length 292 [2020-11-07 05:33:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:17,071 INFO L481 AbstractCegarLoop]: Abstraction has 2489 states and 2850 transitions. [2020-11-07 05:33:17,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:33:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2850 transitions. [2020-11-07 05:33:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-07 05:33:17,080 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:33:17,080 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:33:17,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:33:17,080 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:33:17,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:33:17,081 INFO L82 PathProgramCache]: Analyzing trace with hash 718111141, now seen corresponding path program 1 times [2020-11-07 05:33:17,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:33:17,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636424672] [2020-11-07 05:33:17,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:33:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:17,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:33:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:33:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:17,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:33:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-11-07 05:33:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 129 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-07 05:33:17,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636424672] [2020-11-07 05:33:17,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:33:17,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 05:33:17,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897004358] [2020-11-07 05:33:17,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 05:33:17,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:33:17,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 05:33:17,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:33:17,557 INFO L87 Difference]: Start difference. First operand 2489 states and 2850 transitions. Second operand 11 states. [2020-11-07 05:33:17,750 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:33:18,043 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-11-07 05:33:18,311 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:33:18,765 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:33:20,560 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-11-07 05:33:20,873 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:33:24,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:24,145 INFO L93 Difference]: Finished difference Result 6737 states and 7721 transitions. [2020-11-07 05:33:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 05:33:24,146 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 301 [2020-11-07 05:33:24,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:24,166 INFO L225 Difference]: With dead ends: 6737 [2020-11-07 05:33:24,166 INFO L226 Difference]: Without dead ends: 4421 [2020-11-07 05:33:24,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 05:33:24,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2020-11-07 05:33:25,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4336. [2020-11-07 05:33:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4336 states. [2020-11-07 05:33:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 4887 transitions. [2020-11-07 05:33:25,252 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 4887 transitions. Word has length 301 [2020-11-07 05:33:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:25,252 INFO L481 AbstractCegarLoop]: Abstraction has 4336 states and 4887 transitions. [2020-11-07 05:33:25,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 05:33:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4887 transitions. [2020-11-07 05:33:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-11-07 05:33:25,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:33:25,265 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:33:25,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:33:25,266 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:33:25,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:33:25,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1213243700, now seen corresponding path program 1 times [2020-11-07 05:33:25,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:33:25,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717114964] [2020-11-07 05:33:25,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:33:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:25,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:33:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:25,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:33:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:33:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:25,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-11-07 05:33:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 124 proven. 33 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-07 05:33:26,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717114964] [2020-11-07 05:33:26,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:33:26,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-11-07 05:33:26,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200855043] [2020-11-07 05:33:26,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 05:33:26,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:33:26,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 05:33:26,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-11-07 05:33:26,225 INFO L87 Difference]: Start difference. First operand 4336 states and 4887 transitions. Second operand 15 states. [2020-11-07 05:33:26,521 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-11-07 05:33:26,948 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-11-07 05:33:27,866 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2020-11-07 05:33:28,735 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2020-11-07 05:33:29,361 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:33:30,041 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-07 05:33:30,473 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2020-11-07 05:33:31,352 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-07 05:33:32,156 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-11-07 05:33:32,464 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-11-07 05:33:33,382 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-07 05:33:33,754 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-11-07 05:33:35,013 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-07 05:33:36,544 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-11-07 05:33:37,802 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-11-07 05:33:38,227 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-11-07 05:33:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:40,823 INFO L93 Difference]: Finished difference Result 11030 states and 12673 transitions. [2020-11-07 05:33:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-11-07 05:33:40,824 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 307 [2020-11-07 05:33:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:40,856 INFO L225 Difference]: With dead ends: 11030 [2020-11-07 05:33:40,856 INFO L226 Difference]: Without dead ends: 6392 [2020-11-07 05:33:40,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=830, Invalid=2476, Unknown=0, NotChecked=0, Total=3306 [2020-11-07 05:33:40,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2020-11-07 05:33:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6319. [2020-11-07 05:33:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6319 states. [2020-11-07 05:33:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6319 states to 6319 states and 6958 transitions. [2020-11-07 05:33:42,562 INFO L78 Accepts]: Start accepts. Automaton has 6319 states and 6958 transitions. Word has length 307 [2020-11-07 05:33:42,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:42,563 INFO L481 AbstractCegarLoop]: Abstraction has 6319 states and 6958 transitions. [2020-11-07 05:33:42,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 05:33:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 6319 states and 6958 transitions. [2020-11-07 05:33:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-11-07 05:33:42,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:33:42,581 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:33:42,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:33:42,581 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:33:42,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:33:42,582 INFO L82 PathProgramCache]: Analyzing trace with hash 242852760, now seen corresponding path program 1 times [2020-11-07 05:33:42,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:33:42,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779246578] [2020-11-07 05:33:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:33:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:33:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:42,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:33:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:42,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:33:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-07 05:33:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:42,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 05:33:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:33:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 198 proven. 28 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-07 05:33:43,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779246578] [2020-11-07 05:33:43,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:33:43,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:33:43,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268971347] [2020-11-07 05:33:43,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:33:43,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:33:43,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:33:43,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:33:43,040 INFO L87 Difference]: Start difference. First operand 6319 states and 6958 transitions. Second operand 10 states. [2020-11-07 05:33:43,374 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:33:44,551 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-11-07 05:33:44,800 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:33:44,944 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:33:48,145 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:33:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:33:50,987 INFO L93 Difference]: Finished difference Result 14495 states and 16059 transitions. [2020-11-07 05:33:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-07 05:33:50,989 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 344 [2020-11-07 05:33:50,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:33:51,003 INFO L225 Difference]: With dead ends: 14495 [2020-11-07 05:33:51,003 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:33:51,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-11-07 05:33:51,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:33:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:33:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:33:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:33:51,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 344 [2020-11-07 05:33:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:33:51,035 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:33:51,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:33:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:33:51,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:33:51,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 05:33:51,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:33:52,030 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:33:52,472 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:34:02,386 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-11-07 05:34:02,495 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-11-07 05:34:02,857 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-11-07 05:34:16,193 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:34:43,686 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:34:45,471 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:34:45,672 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:35:00,883 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:36:10,286 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:36:49,767 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:36:49,947 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:36:50,127 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:36:52,528 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-11-07 05:37:03,466 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:37:05,423 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:37:07,357 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:37:09,267 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:37:10,046 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:37:10,806 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:37:11,562 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:37:13,485 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:37:14,262 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:37:16,175 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:37:16,969 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:37:17,828 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-11-07 05:37:18,495 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-11-07 05:37:19,366 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2020-11-07 05:37:19,994 WARN L194 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-11-07 05:37:20,759 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:37:22,833 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:24,630 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 229 DAG size of output: 76 [2020-11-07 05:37:25,769 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 199 DAG size of output: 68 [2020-11-07 05:37:27,881 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:29,955 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:30,624 WARN L194 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:37:31,290 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-11-07 05:37:32,025 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-11-07 05:37:32,839 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-11-07 05:37:34,926 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:35,539 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-11-07 05:37:36,345 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:37:37,011 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:37:38,568 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 214 DAG size of output: 69 [2020-11-07 05:37:39,229 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:37:40,382 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 164 DAG size of output: 76 [2020-11-07 05:37:42,475 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:43,333 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-11-07 05:37:45,409 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:46,086 WARN L194 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-11-07 05:37:46,892 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:37:47,623 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2020-11-07 05:37:49,718 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:50,645 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-11-07 05:37:51,306 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:37:51,951 WARN L194 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:37:52,665 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2020-11-07 05:37:53,953 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 175 DAG size of output: 77 [2020-11-07 05:37:54,595 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 58 [2020-11-07 05:37:55,409 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:37:57,499 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:37:58,535 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-11-07 05:37:59,664 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 199 DAG size of output: 65 [2020-11-07 05:38:00,810 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 164 DAG size of output: 75 [2020-11-07 05:38:01,447 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:38:02,153 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2020-11-07 05:38:03,389 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-11-07 05:38:04,003 WARN L194 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 58 [2020-11-07 05:38:04,810 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:38:05,526 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-11-07 05:38:06,246 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-11-07 05:38:08,337 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:09,175 WARN L194 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:38:10,241 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-11-07 05:38:11,041 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:38:11,660 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-11-07 05:38:13,773 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:14,383 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-11-07 05:38:15,149 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:38:17,100 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:38:19,062 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:38:21,030 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:38:21,828 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:38:22,649 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:38:23,440 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:38:25,395 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:38:27,494 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:28,109 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-11-07 05:38:29,399 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 175 DAG size of output: 73 [2020-11-07 05:38:31,511 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:32,232 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2020-11-07 05:38:33,669 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 204 DAG size of output: 68 [2020-11-07 05:38:34,597 WARN L194 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2020-11-07 05:38:35,291 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-11-07 05:38:36,059 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:38:37,566 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 207 DAG size of output: 68 [2020-11-07 05:38:38,971 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2020-11-07 05:38:39,624 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:38:40,577 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-11-07 05:38:41,259 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 05:38:43,369 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:44,365 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 71 [2020-11-07 05:38:45,035 WARN L194 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-11-07 05:38:45,653 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 60 [2020-11-07 05:38:46,667 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2020-11-07 05:38:47,362 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-11-07 05:38:48,162 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:38:48,775 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 58 [2020-11-07 05:38:50,892 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:53,008 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:38:53,802 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:38:55,771 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:38:57,728 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:38:59,694 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:39:00,462 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:39:01,199 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-11-07 05:39:02,781 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2020-11-07 05:39:04,904 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:39:05,656 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-11-07 05:39:06,287 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-11-07 05:39:07,223 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 63 [2020-11-07 05:39:09,378 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 221 DAG size of output: 74 [2020-11-07 05:39:10,554 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 68 [2020-11-07 05:39:11,658 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2020-11-07 05:39:12,865 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-11-07 05:39:13,553 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:39:14,269 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2020-11-07 05:39:15,361 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-11-07 05:39:17,493 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:39:18,317 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:39:20,449 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:39:21,238 WARN L194 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 05:39:22,041 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:39:22,821 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:39:24,806 WARN L194 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:39:25,814 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-11-07 05:39:27,330 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 163 DAG size of output: 70 [2020-11-07 05:39:29,490 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:39:30,362 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-11-07 05:39:31,053 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-11-07 05:39:31,765 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-11-07 05:39:32,824 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2020-11-07 05:39:33,516 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:39:34,198 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:39:36,337 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:39:37,208 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 60 [2020-11-07 05:39:38,112 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-11-07 05:39:38,870 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 61 [2020-11-07 05:39:39,535 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:39:40,309 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 63 [2020-11-07 05:39:41,081 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 64 [2020-11-07 05:39:41,771 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:39:42,787 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-11-07 05:39:43,824 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 151 DAG size of output: 66 [2020-11-07 05:39:45,173 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 176 DAG size of output: 76 [2020-11-07 05:39:46,471 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2020-11-07 05:39:47,147 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 05:39:47,867 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 65 [2020-11-07 05:39:48,584 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:39:49,726 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 171 DAG size of output: 68 [2020-11-07 05:39:50,406 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-11-07 05:39:51,185 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:39:52,263 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-11-07 05:39:54,263 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:39:56,267 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:39:57,348 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-11-07 05:39:58,434 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-11-07 05:39:59,217 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:40:00,038 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 64 [2020-11-07 05:40:02,191 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:02,882 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-11-07 05:40:03,892 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-11-07 05:40:04,620 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-11-07 05:40:06,619 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:08,800 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:10,122 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-11-07 05:40:10,811 WARN L194 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:40:12,822 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:13,633 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:40:14,445 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:40:15,232 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:40:17,239 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:18,053 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:40:18,874 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:40:20,893 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:21,680 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:40:23,691 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:24,511 WARN L194 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:40:25,187 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:40:25,873 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2020-11-07 05:40:26,549 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 60 [2020-11-07 05:40:28,750 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:30,080 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-11-07 05:40:32,252 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:33,222 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-11-07 05:40:34,094 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 61 [2020-11-07 05:40:34,883 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:40:36,899 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:39,083 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:39,782 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:40:40,488 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:40:42,504 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:40:43,297 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:40:44,450 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-11-07 05:40:45,197 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 61 [2020-11-07 05:40:46,873 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 215 DAG size of output: 69 [2020-11-07 05:40:47,579 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-11-07 05:40:48,274 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2020-11-07 05:40:50,531 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:52,745 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:40:53,663 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-11-07 05:40:54,416 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-11-07 05:40:55,115 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:40:55,837 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2020-11-07 05:40:56,544 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:40:57,214 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-11-07 05:40:58,567 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-11-07 05:40:59,355 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-11-07 05:41:00,301 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-11-07 05:41:00,992 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:41:01,703 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:41:02,893 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 164 DAG size of output: 74 [2020-11-07 05:41:05,096 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:06,493 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 182 DAG size of output: 77 [2020-11-07 05:41:07,720 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-11-07 05:41:08,418 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-11-07 05:41:09,327 WARN L194 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 05:41:11,523 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:12,216 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 60 [2020-11-07 05:41:14,414 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:15,765 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2020-11-07 05:41:16,864 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-11-07 05:41:17,766 WARN L194 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:41:19,951 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:20,679 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 61 [2020-11-07 05:41:22,850 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 253 DAG size of output: 75 [2020-11-07 05:41:23,574 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 05:41:24,733 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-11-07 05:41:25,759 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 192 DAG size of output: 64 [2020-11-07 05:41:26,449 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2020-11-07 05:41:28,652 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:29,329 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-11-07 05:41:31,526 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:32,730 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 164 DAG size of output: 75 [2020-11-07 05:41:33,386 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2020-11-07 05:41:34,382 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-11-07 05:41:35,112 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 05:41:37,177 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:41:38,002 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:41:38,809 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:41:39,603 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:41:41,655 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:41:42,467 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:41:44,523 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:41:46,734 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:47,430 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 61 [2020-11-07 05:41:49,649 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:50,792 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:41:51,492 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:41:53,700 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:54,807 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-11-07 05:41:55,518 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-11-07 05:41:56,234 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-11-07 05:41:58,441 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:41:59,338 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:42:01,559 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:02,359 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:42:04,412 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:42:06,638 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:07,414 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-11-07 05:42:08,073 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-11-07 05:42:08,796 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 60 [2020-11-07 05:42:11,011 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:11,779 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-11-07 05:42:14,006 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:14,912 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 62 [2020-11-07 05:42:15,742 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:42:17,973 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:19,343 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-11-07 05:42:20,690 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 164 DAG size of output: 73 [2020-11-07 05:42:21,489 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:42:22,217 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-11-07 05:42:24,438 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:26,669 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:27,386 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-11-07 05:42:28,123 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 60 [2020-11-07 05:42:30,200 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:42:32,430 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:33,481 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 192 DAG size of output: 64 [2020-11-07 05:42:35,419 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 260 DAG size of output: 75 [2020-11-07 05:42:37,640 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:38,650 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2020-11-07 05:42:39,600 WARN L194 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 72 [2020-11-07 05:42:40,611 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-11-07 05:42:42,253 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 214 DAG size of output: 69 [2020-11-07 05:42:44,480 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:46,715 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:48,604 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 243 DAG size of output: 78 [2020-11-07 05:42:49,414 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-11-07 05:42:51,651 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:52,434 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-11-07 05:42:54,668 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:42:55,312 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 59 [2020-11-07 05:42:56,425 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2020-11-07 05:42:57,796 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 163 DAG size of output: 72 [2020-11-07 05:42:58,451 WARN L194 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 59 [2020-11-07 05:42:59,275 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-11-07 05:43:01,547 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:02,402 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:43:03,587 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 199 DAG size of output: 65 [2020-11-07 05:43:04,953 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 154 DAG size of output: 72 [2020-11-07 05:43:05,670 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:43:06,330 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 60 [2020-11-07 05:43:08,571 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:10,817 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:11,594 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:43:12,437 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:43:14,087 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 207 DAG size of output: 68 [2020-11-07 05:43:16,333 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:17,191 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:43:17,929 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-11-07 05:43:18,623 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 58 [2020-11-07 05:43:20,856 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:21,021 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 40 [2020-11-07 05:43:23,272 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:25,552 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:26,907 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 202 DAG size of output: 69 [2020-11-07 05:43:28,802 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 243 DAG size of output: 78 [2020-11-07 05:43:29,676 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-11-07 05:43:30,584 WARN L194 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 68 [2020-11-07 05:43:31,996 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2020-11-07 05:43:33,148 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-11-07 05:43:34,051 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 60 [2020-11-07 05:43:35,059 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-11-07 05:43:35,811 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-11-07 05:43:38,084 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:40,335 WARN L194 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:43:41,148 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-11-07 05:43:42,792 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 228 DAG size of output: 76 [2020-11-07 05:43:43,400 WARN L194 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-11-07 05:43:45,489 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:43:46,294 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-11-07 05:43:47,136 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:43:47,994 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:43:48,818 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:43:50,925 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:43:51,774 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:43:53,877 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:43:55,981 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:43:58,118 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:43:58,937 WARN L194 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:43:59,554 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-11-07 05:44:00,396 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:44:01,244 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:44:01,991 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-11-07 05:44:04,266 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:44:05,047 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-11-07 05:44:05,720 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-11-07 05:44:07,984 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:44:10,086 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:44:10,914 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:44:11,757 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:44:12,599 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-11-07 05:44:14,710 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:44:15,540 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:44:17,660 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:44:19,785 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:44:20,946 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-11-07 05:44:39,610 WARN L194 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 436 DAG size of output: 175 [2020-11-07 05:44:56,742 WARN L194 SmtUtils]: Spent 17.09 s on a formula simplification. DAG size of input: 436 DAG size of output: 180 [2020-11-07 05:44:57,604 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:44:58,412 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 64 [2020-11-07 05:44:59,830 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 163 DAG size of output: 74 [2020-11-07 05:45:01,185 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-11-07 05:45:02,191 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 62 [2020-11-07 05:45:02,909 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-11-07 05:45:03,658 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 62 [2020-11-07 05:45:05,963 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:45:08,276 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:45:09,084 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-11-07 05:45:09,759 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 58 [2020-11-07 05:45:10,689 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 64 [2020-11-07 05:45:12,460 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 215 DAG size of output: 69 [2020-11-07 05:45:13,454 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 64 [2020-11-07 05:45:14,163 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 57 [2020-11-07 05:45:15,023 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:45:16,228 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 202 DAG size of output: 70 [2020-11-07 05:45:17,056 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 66 [2020-11-07 05:45:18,027 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 68 [2020-11-07 05:45:18,885 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-11-07 05:45:20,696 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 218 DAG size of output: 76 [2020-11-07 05:45:21,483 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 05:45:22,361 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-11-07 05:45:23,834 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 173 DAG size of output: 79 [2020-11-07 05:45:25,093 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 179 DAG size of output: 68 [2020-11-07 05:45:25,859 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-11-07 05:45:28,182 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:45:29,028 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-11-07 05:45:30,191 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-11-07 05:45:32,346 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:45:33,176 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:45:34,019 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:45:34,858 WARN L194 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-11-07 05:45:37,033 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-11-07 05:45:37,974 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-11-07 05:45:39,274 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 161 DAG size of output: 72 [2020-11-07 05:45:39,966 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-11-07 05:45:40,901 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 64 [2020-11-07 05:45:41,586 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 59 [2020-11-07 05:45:43,950 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-11-07 05:45:45,103 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-11-07 05:45:46,281 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2020-11-07 05:45:47,031 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-11-07 05:45:47,774 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2020-11-07 05:45:48,562 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64