/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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:21:46,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:21:46,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:21:46,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:21:46,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:21:46,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:21:47,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:21:47,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:21:47,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:21:47,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:21:47,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:21:47,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:21:47,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:21:47,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:21:47,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:21:47,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:21:47,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:21:47,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:21:47,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:21:47,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:21:47,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:21:47,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:21:47,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:21:47,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:21:47,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:21:47,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:21:47,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:21:47,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:21:47,081 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 05:21:47,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:21:47,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:21:47,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:21:47,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:21:47,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:21:47,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:21:47,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:21:47,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:21:47,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:21:47,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:21:47,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:21:47,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:21:47,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:21:47,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:21:47,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:21:47,109 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:21:47,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:21:47,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:21:47,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:21:47,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:21:47,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:21:47,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:21:47,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:21:47,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:21:47,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:21:47,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:21:47,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:21:47,536 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:21:47,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-11-07 05:21:47,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d35cc9/f03412609a294d1c8bd5d2ddf55992ed/FLAG14821533d [2020-11-07 05:21:48,391 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:21:48,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-11-07 05:21:48,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d35cc9/f03412609a294d1c8bd5d2ddf55992ed/FLAG14821533d [2020-11-07 05:21:48,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d35cc9/f03412609a294d1c8bd5d2ddf55992ed [2020-11-07 05:21:48,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:21:48,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:21:48,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:21:48,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:21:48,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:21:48,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:48" (1/1) ... [2020-11-07 05:21:48,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd021e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:48, skipping insertion in model container [2020-11-07 05:21:48,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:48" (1/1) ... [2020-11-07 05:21:48,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:21:48,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:21:49,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:21:49,315 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:21:49,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:21:49,496 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:21:49,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49 WrapperNode [2020-11-07 05:21:49,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:21:49,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:21:49,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:21:49,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:21:49,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (1/1) ... [2020-11-07 05:21:49,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:21:49,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:21:49,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:21:49,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:21:49,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (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 05:21:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:21:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:21:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:21:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:21:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:21:51,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:21:51,157 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:21:51,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:51 BoogieIcfgContainer [2020-11-07 05:21:51,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:21:51,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:21:51,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:21:51,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:21:51,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:21:48" (1/3) ... [2020-11-07 05:21:51,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a4259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:21:51, skipping insertion in model container [2020-11-07 05:21:51,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:49" (2/3) ... [2020-11-07 05:21:51,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a4259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:21:51, skipping insertion in model container [2020-11-07 05:21:51,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:51" (3/3) ... [2020-11-07 05:21:51,169 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-11-07 05:21:51,184 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:21:51,188 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:21:51,201 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:21:51,226 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:21:51,226 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:21:51,226 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:21:51,226 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:21:51,226 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:21:51,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:21:51,227 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:21:51,227 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:21:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-11-07 05:21:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-07 05:21:51,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:21:51,278 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] [2020-11-07 05:21:51,278 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:21:51,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:21:51,285 INFO L82 PathProgramCache]: Analyzing trace with hash 443850862, now seen corresponding path program 1 times [2020-11-07 05:21:51,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:21:51,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458074004] [2020-11-07 05:21:51,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:21:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:21:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:51,951 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 05:21:51,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458074004] [2020-11-07 05:21:51,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:21:51,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:21:51,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208971761] [2020-11-07 05:21:51,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:21:51,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:21:51,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:21:51,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:21:51,978 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 5 states. [2020-11-07 05:21:55,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:21:55,666 INFO L93 Difference]: Finished difference Result 1373 states and 1909 transitions. [2020-11-07 05:21:55,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 05:21:55,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-11-07 05:21:55,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:21:55,711 INFO L225 Difference]: With dead ends: 1373 [2020-11-07 05:21:55,711 INFO L226 Difference]: Without dead ends: 790 [2020-11-07 05:21:55,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:21:55,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-07 05:21:55,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 755. [2020-11-07 05:21:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2020-11-07 05:21:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 923 transitions. [2020-11-07 05:21:55,976 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 923 transitions. Word has length 131 [2020-11-07 05:21:55,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:21:55,977 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 923 transitions. [2020-11-07 05:21:55,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:21:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 923 transitions. [2020-11-07 05:21:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-07 05:21:55,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:21:55,987 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:21:55,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:21:55,987 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:21:55,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:21:55,988 INFO L82 PathProgramCache]: Analyzing trace with hash 974619116, now seen corresponding path program 1 times [2020-11-07 05:21:55,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:21:55,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337086769] [2020-11-07 05:21:55,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:21:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:21:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:21:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:21:56,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337086769] [2020-11-07 05:21:56,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:21:56,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-07 05:21:56,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454121170] [2020-11-07 05:21:56,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:21:56,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:21:56,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:21:56,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:21:56,430 INFO L87 Difference]: Start difference. First operand 755 states and 923 transitions. Second operand 5 states. [2020-11-07 05:21:56,644 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:21:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:21:59,192 INFO L93 Difference]: Finished difference Result 1965 states and 2502 transitions. [2020-11-07 05:21:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-07 05:21:59,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-11-07 05:21:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:21:59,204 INFO L225 Difference]: With dead ends: 1965 [2020-11-07 05:21:59,204 INFO L226 Difference]: Without dead ends: 1242 [2020-11-07 05:21:59,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 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 05:21:59,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-11-07 05:21:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1043. [2020-11-07 05:21:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-11-07 05:21:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1292 transitions. [2020-11-07 05:21:59,481 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1292 transitions. Word has length 152 [2020-11-07 05:21:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:21:59,482 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1292 transitions. [2020-11-07 05:21:59,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:21:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1292 transitions. [2020-11-07 05:21:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-07 05:21:59,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:21:59,489 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] [2020-11-07 05:21:59,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:21:59,489 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:21:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:21:59,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1446776157, now seen corresponding path program 1 times [2020-11-07 05:21:59,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:21:59,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329925717] [2020-11-07 05:21:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:21:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:59,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:21:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:21:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-11-07 05:21:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:59,871 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 05:21:59,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329925717] [2020-11-07 05:21:59,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:21:59,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:21:59,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811528996] [2020-11-07 05:21:59,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:21:59,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:21:59,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:21:59,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:21:59,874 INFO L87 Difference]: Start difference. First operand 1043 states and 1292 transitions. Second operand 7 states. [2020-11-07 05:22:00,111 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:03,015 INFO L93 Difference]: Finished difference Result 2454 states and 3144 transitions. [2020-11-07 05:22:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:22:03,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-11-07 05:22:03,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:03,031 INFO L225 Difference]: With dead ends: 2454 [2020-11-07 05:22:03,031 INFO L226 Difference]: Without dead ends: 1443 [2020-11-07 05:22:03,038 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 05:22:03,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-11-07 05:22:03,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1229. [2020-11-07 05:22:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states. [2020-11-07 05:22:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1535 transitions. [2020-11-07 05:22:03,312 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1535 transitions. Word has length 193 [2020-11-07 05:22:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:03,312 INFO L481 AbstractCegarLoop]: Abstraction has 1229 states and 1535 transitions. [2020-11-07 05:22:03,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:22:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1535 transitions. [2020-11-07 05:22:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-07 05:22:03,320 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:03,321 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:03,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:22:03,321 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:03,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1548584356, now seen corresponding path program 1 times [2020-11-07 05:22:03,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:03,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611007283] [2020-11-07 05:22:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:03,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:03,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-11-07 05:22:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-07 05:22:03,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611007283] [2020-11-07 05:22:03,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:03,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:22:03,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714898476] [2020-11-07 05:22:03,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:22:03,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:03,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:22:03,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:22:03,658 INFO L87 Difference]: Start difference. First operand 1229 states and 1535 transitions. Second operand 8 states. [2020-11-07 05:22:03,900 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 05:22:05,482 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:08,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:08,163 INFO L93 Difference]: Finished difference Result 3322 states and 4242 transitions. [2020-11-07 05:22:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:22:08,164 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-11-07 05:22:08,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:08,182 INFO L225 Difference]: With dead ends: 3322 [2020-11-07 05:22:08,182 INFO L226 Difference]: Without dead ends: 2125 [2020-11-07 05:22:08,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:22:08,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2020-11-07 05:22:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 1877. [2020-11-07 05:22:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-11-07 05:22:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2285 transitions. [2020-11-07 05:22:08,597 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2285 transitions. Word has length 200 [2020-11-07 05:22:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:08,597 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2285 transitions. [2020-11-07 05:22:08,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:22:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2285 transitions. [2020-11-07 05:22:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-07 05:22:08,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:08,608 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, 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] [2020-11-07 05:22:08,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:22:08,608 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:08,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:08,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1085366566, now seen corresponding path program 1 times [2020-11-07 05:22:08,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:08,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378641269] [2020-11-07 05:22:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-11-07 05:22:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 05:22:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 68 proven. 24 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-07 05:22:08,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378641269] [2020-11-07 05:22:08,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:08,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:22:08,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562573717] [2020-11-07 05:22:08,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:22:08,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:08,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:22:08,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:22:08,962 INFO L87 Difference]: Start difference. First operand 1877 states and 2285 transitions. Second operand 8 states. [2020-11-07 05:22:09,725 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:13,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:13,240 INFO L93 Difference]: Finished difference Result 4123 states and 5033 transitions. [2020-11-07 05:22:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:22:13,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-11-07 05:22:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:13,256 INFO L225 Difference]: With dead ends: 4123 [2020-11-07 05:22:13,256 INFO L226 Difference]: Without dead ends: 2278 [2020-11-07 05:22:13,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 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 05:22:13,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-11-07 05:22:13,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2192. [2020-11-07 05:22:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2192 states. [2020-11-07 05:22:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 2638 transitions. [2020-11-07 05:22:13,813 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 2638 transitions. Word has length 229 [2020-11-07 05:22:13,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:13,813 INFO L481 AbstractCegarLoop]: Abstraction has 2192 states and 2638 transitions. [2020-11-07 05:22:13,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:22:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2638 transitions. [2020-11-07 05:22:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-07 05:22:13,824 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:13,825 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:13,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:22:13,825 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:13,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:13,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1937688673, now seen corresponding path program 1 times [2020-11-07 05:22:13,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:13,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41298325] [2020-11-07 05:22:13,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:13,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:14,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 05:22:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-07 05:22:14,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41298325] [2020-11-07 05:22:14,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:14,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:22:14,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847334954] [2020-11-07 05:22:14,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:22:14,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:14,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:22:14,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:14,111 INFO L87 Difference]: Start difference. First operand 2192 states and 2638 transitions. Second operand 7 states. [2020-11-07 05:22:14,310 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:17,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:17,674 INFO L93 Difference]: Finished difference Result 5318 states and 6553 transitions. [2020-11-07 05:22:17,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:22:17,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-11-07 05:22:17,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:17,702 INFO L225 Difference]: With dead ends: 5318 [2020-11-07 05:22:17,702 INFO L226 Difference]: Without dead ends: 3158 [2020-11-07 05:22:17,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:22:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2020-11-07 05:22:18,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2932. [2020-11-07 05:22:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2932 states. [2020-11-07 05:22:18,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3534 transitions. [2020-11-07 05:22:18,310 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3534 transitions. Word has length 236 [2020-11-07 05:22:18,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:18,311 INFO L481 AbstractCegarLoop]: Abstraction has 2932 states and 3534 transitions. [2020-11-07 05:22:18,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:22:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3534 transitions. [2020-11-07 05:22:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-11-07 05:22:18,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:18,325 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] [2020-11-07 05:22:18,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:22:18,326 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:18,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:18,326 INFO L82 PathProgramCache]: Analyzing trace with hash 520469961, now seen corresponding path program 1 times [2020-11-07 05:22:18,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:18,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436659444] [2020-11-07 05:22:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:18,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-07 05:22:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:18,690 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 05:22:18,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436659444] [2020-11-07 05:22:18,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:18,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:22:18,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791799933] [2020-11-07 05:22:18,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:22:18,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:18,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:22:18,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:22:18,692 INFO L87 Difference]: Start difference. First operand 2932 states and 3534 transitions. Second operand 8 states. [2020-11-07 05:22:18,887 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:22:19,242 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:19,836 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:20,671 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:23,588 INFO L93 Difference]: Finished difference Result 5926 states and 7167 transitions. [2020-11-07 05:22:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:22:23,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 258 [2020-11-07 05:22:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:23,609 INFO L225 Difference]: With dead ends: 5926 [2020-11-07 05:22:23,609 INFO L226 Difference]: Without dead ends: 3167 [2020-11-07 05:22:23,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:22:23,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2020-11-07 05:22:24,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 3082. [2020-11-07 05:22:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3082 states. [2020-11-07 05:22:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 3698 transitions. [2020-11-07 05:22:24,368 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 3698 transitions. Word has length 258 [2020-11-07 05:22:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:24,369 INFO L481 AbstractCegarLoop]: Abstraction has 3082 states and 3698 transitions. [2020-11-07 05:22:24,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:22:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3698 transitions. [2020-11-07 05:22:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-11-07 05:22:24,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:24,384 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] [2020-11-07 05:22:24,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:22:24,385 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1924530333, now seen corresponding path program 1 times [2020-11-07 05:22:24,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:24,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428338565] [2020-11-07 05:22:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:24,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:22:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:24,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-11-07 05:22:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:24,805 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 05:22:24,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428338565] [2020-11-07 05:22:24,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:24,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 05:22:24,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648633840] [2020-11-07 05:22:24,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 05:22:24,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:24,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 05:22:24,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:22:24,807 INFO L87 Difference]: Start difference. First operand 3082 states and 3698 transitions. Second operand 11 states. [2020-11-07 05:22:25,269 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-11-07 05:22:25,896 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-11-07 05:22:26,243 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:22:26,938 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:27,128 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:27,759 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:22:29,708 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:33,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:33,151 INFO L93 Difference]: Finished difference Result 8655 states and 10405 transitions. [2020-11-07 05:22:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 05:22:33,152 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 267 [2020-11-07 05:22:33,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:33,188 INFO L225 Difference]: With dead ends: 8655 [2020-11-07 05:22:33,188 INFO L226 Difference]: Without dead ends: 5746 [2020-11-07 05:22:33,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 05:22:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5746 states. [2020-11-07 05:22:34,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5746 to 5116. [2020-11-07 05:22:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5116 states. [2020-11-07 05:22:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5116 states to 5116 states and 6043 transitions. [2020-11-07 05:22:34,245 INFO L78 Accepts]: Start accepts. Automaton has 5116 states and 6043 transitions. Word has length 267 [2020-11-07 05:22:34,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:34,246 INFO L481 AbstractCegarLoop]: Abstraction has 5116 states and 6043 transitions. [2020-11-07 05:22:34,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 05:22:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5116 states and 6043 transitions. [2020-11-07 05:22:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-11-07 05:22:34,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:34,264 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-07 05:22:34,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:22:34,265 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:34,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash 729301226, now seen corresponding path program 1 times [2020-11-07 05:22:34,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:34,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760190155] [2020-11-07 05:22:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:34,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:34,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-11-07 05:22:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:34,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 05:22:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 05:22:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-11-07 05:22:34,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760190155] [2020-11-07 05:22:34,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:34,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:22:34,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229890961] [2020-11-07 05:22:34,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:22:34,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:34,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:22:34,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:34,633 INFO L87 Difference]: Start difference. First operand 5116 states and 6043 transitions. Second operand 7 states. [2020-11-07 05:22:34,861 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 05:22:35,173 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:38,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:38,852 INFO L93 Difference]: Finished difference Result 10455 states and 12371 transitions. [2020-11-07 05:22:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:22:38,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 294 [2020-11-07 05:22:38,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:38,874 INFO L225 Difference]: With dead ends: 10455 [2020-11-07 05:22:38,875 INFO L226 Difference]: Without dead ends: 4784 [2020-11-07 05:22:38,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:22:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4784 states. [2020-11-07 05:22:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4784 to 4635. [2020-11-07 05:22:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4635 states. [2020-11-07 05:22:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 5184 transitions. [2020-11-07 05:22:39,844 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 5184 transitions. Word has length 294 [2020-11-07 05:22:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:39,845 INFO L481 AbstractCegarLoop]: Abstraction has 4635 states and 5184 transitions. [2020-11-07 05:22:39,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:22:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 5184 transitions. [2020-11-07 05:22:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-11-07 05:22:39,857 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:39,858 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, 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] [2020-11-07 05:22:39,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:22:39,858 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:39,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:39,859 INFO L82 PathProgramCache]: Analyzing trace with hash 966508827, now seen corresponding path program 1 times [2020-11-07 05:22:39,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:39,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610125766] [2020-11-07 05:22:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:22:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-11-07 05:22:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 05:22:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 176 proven. 33 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-11-07 05:22:40,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610125766] [2020-11-07 05:22:40,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:40,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:22:40,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132796572] [2020-11-07 05:22:40,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:22:40,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:40,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:22:40,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:40,226 INFO L87 Difference]: Start difference. First operand 4635 states and 5184 transitions. Second operand 7 states. [2020-11-07 05:22:41,284 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:44,022 INFO L93 Difference]: Finished difference Result 10520 states and 11895 transitions. [2020-11-07 05:22:44,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:22:44,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2020-11-07 05:22:44,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:44,063 INFO L225 Difference]: With dead ends: 10520 [2020-11-07 05:22:44,063 INFO L226 Difference]: Without dead ends: 6058 [2020-11-07 05:22:44,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 05:22:44,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2020-11-07 05:22:45,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 5962. [2020-11-07 05:22:45,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5962 states. [2020-11-07 05:22:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 6675 transitions. [2020-11-07 05:22:45,267 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 6675 transitions. Word has length 299 [2020-11-07 05:22:45,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:45,267 INFO L481 AbstractCegarLoop]: Abstraction has 5962 states and 6675 transitions. [2020-11-07 05:22:45,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:22:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 6675 transitions. [2020-11-07 05:22:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-11-07 05:22:45,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:45,283 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] [2020-11-07 05:22:45,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:22:45,283 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:45,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1924632400, now seen corresponding path program 1 times [2020-11-07 05:22:45,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:45,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056199765] [2020-11-07 05:22:45,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:22:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-07 05:22:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 05:22:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,849 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 05:22:45,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056199765] [2020-11-07 05:22:45,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:45,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:22:45,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213837763] [2020-11-07 05:22:45,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:22:45,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:45,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:22:45,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:22:45,852 INFO L87 Difference]: Start difference. First operand 5962 states and 6675 transitions. Second operand 10 states. [2020-11-07 05:22:47,274 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-11-07 05:22:47,442 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:22:47,689 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:48,464 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:53,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:53,157 INFO L93 Difference]: Finished difference Result 12440 states and 13996 transitions. [2020-11-07 05:22:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-07 05:22:53,157 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 310 [2020-11-07 05:22:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:53,180 INFO L225 Difference]: With dead ends: 12440 [2020-11-07 05:22:53,180 INFO L226 Difference]: Without dead ends: 6298 [2020-11-07 05:22:53,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-11-07 05:22:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6298 states. [2020-11-07 05:22:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6298 to 5966. [2020-11-07 05:22:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5966 states. [2020-11-07 05:22:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5966 states to 5966 states and 6504 transitions. [2020-11-07 05:22:54,591 INFO L78 Accepts]: Start accepts. Automaton has 5966 states and 6504 transitions. Word has length 310 [2020-11-07 05:22:54,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:54,591 INFO L481 AbstractCegarLoop]: Abstraction has 5966 states and 6504 transitions. [2020-11-07 05:22:54,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:22:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5966 states and 6504 transitions. [2020-11-07 05:22:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-11-07 05:22:54,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:54,600 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-07 05:22:54,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 05:22:54,600 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:54,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:54,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2100267250, now seen corresponding path program 1 times [2020-11-07 05:22:54,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:54,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025368056] [2020-11-07 05:22:54,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-11-07 05:22:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 05:22:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-11-07 05:22:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 227 proven. 22 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-11-07 05:22:55,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025368056] [2020-11-07 05:22:55,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:55,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:22:55,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573548116] [2020-11-07 05:22:55,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:22:55,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:55,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:22:55,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:22:55,026 INFO L87 Difference]: Start difference. First operand 5966 states and 6504 transitions. Second operand 8 states. [2020-11-07 05:22:55,495 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:57,831 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:59,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:59,472 INFO L93 Difference]: Finished difference Result 9887 states and 10720 transitions. [2020-11-07 05:22:59,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:22:59,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 318 [2020-11-07 05:22:59,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:59,499 INFO L225 Difference]: With dead ends: 9887 [2020-11-07 05:22:59,499 INFO L226 Difference]: Without dead ends: 5759 [2020-11-07 05:22:59,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:22:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5759 states. [2020-11-07 05:23:00,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5759 to 5755. [2020-11-07 05:23:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2020-11-07 05:23:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 6187 transitions. [2020-11-07 05:23:00,827 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 6187 transitions. Word has length 318 [2020-11-07 05:23:00,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:23:00,827 INFO L481 AbstractCegarLoop]: Abstraction has 5755 states and 6187 transitions. [2020-11-07 05:23:00,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:23:00,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 6187 transitions. [2020-11-07 05:23:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-11-07 05:23:00,836 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:23:00,837 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:23:00,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 05:23:00,837 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:23:00,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:23:00,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2052981566, now seen corresponding path program 1 times [2020-11-07 05:23:00,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:23:00,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429681790] [2020-11-07 05:23:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:23:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:01,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:23:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:23:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:23:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:23:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:01,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 05:23:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 243 proven. 18 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-11-07 05:23:01,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429681790] [2020-11-07 05:23:01,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:23:01,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:23:01,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494228783] [2020-11-07 05:23:01,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:23:01,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:23:01,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:23:01,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:23:01,252 INFO L87 Difference]: Start difference. First operand 5755 states and 6187 transitions. Second operand 8 states. [2020-11-07 05:23:01,593 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 05:23:02,832 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:23:05,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:23:05,495 INFO L93 Difference]: Finished difference Result 9648 states and 10332 transitions. [2020-11-07 05:23:05,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:23:05,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 350 [2020-11-07 05:23:05,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:23:05,515 INFO L225 Difference]: With dead ends: 9648 [2020-11-07 05:23:05,516 INFO L226 Difference]: Without dead ends: 5917 [2020-11-07 05:23:05,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:23:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2020-11-07 05:23:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 5743. [2020-11-07 05:23:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5743 states. [2020-11-07 05:23:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5743 states to 5743 states and 6158 transitions. [2020-11-07 05:23:06,686 INFO L78 Accepts]: Start accepts. Automaton has 5743 states and 6158 transitions. Word has length 350 [2020-11-07 05:23:06,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:23:06,686 INFO L481 AbstractCegarLoop]: Abstraction has 5743 states and 6158 transitions. [2020-11-07 05:23:06,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:23:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5743 states and 6158 transitions. [2020-11-07 05:23:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-11-07 05:23:06,695 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:23:06,695 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:23:06,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 05:23:06,696 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:23:06,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:23:06,696 INFO L82 PathProgramCache]: Analyzing trace with hash 468783801, now seen corresponding path program 1 times [2020-11-07 05:23:06,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:23:06,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706621880] [2020-11-07 05:23:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:23:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:23:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:06,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:23:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:06,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:23:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:23:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:06,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 05:23:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:06,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 05:23:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 228 proven. 42 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-11-07 05:23:07,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706621880] [2020-11-07 05:23:07,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:23:07,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:23:07,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155357519] [2020-11-07 05:23:07,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:23:07,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:23:07,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:23:07,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:23:07,242 INFO L87 Difference]: Start difference. First operand 5743 states and 6158 transitions. Second operand 7 states. [2020-11-07 05:23:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:23:10,569 INFO L93 Difference]: Finished difference Result 5753 states and 6168 transitions. [2020-11-07 05:23:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 05:23:10,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 371 [2020-11-07 05:23:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:23:10,571 INFO L225 Difference]: With dead ends: 5753 [2020-11-07 05:23:10,571 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:23:10,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:23:10,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:23:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:23:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:23:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:23:10,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2020-11-07 05:23:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:23:10,581 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:23:10,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:23:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:23:10,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:23:10,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 05:23:10,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:23:10,902 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:23:29,296 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:23:46,839 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:23:47,629 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:23:47,731 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:23:57,168 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:24:40,972 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:25:07,599 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:25:07,703 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:25:07,805 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:25:09,147 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-11-07 05:25:14,559 WARN L194 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:25:16,917 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:19,261 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:21,591 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:22,323 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:25:22,915 WARN L194 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:25:23,509 WARN L194 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:25:25,806 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:26,608 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:25:28,931 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:29,834 WARN L194 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:25:30,496 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:25:31,072 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-11-07 05:25:31,878 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2020-11-07 05:25:32,368 WARN L194 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-11-07 05:25:33,629 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 171 DAG size of output: 70 [2020-11-07 05:25:35,950 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:36,992 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2020-11-07 05:25:37,656 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:25:40,010 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:42,340 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:43,017 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:25:43,603 WARN L194 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-11-07 05:25:44,518 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-11-07 05:25:45,310 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:25:45,828 WARN L194 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:25:48,224 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:49,058 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:25:49,564 WARN L194 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:25:50,245 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-11-07 05:25:50,921 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:25:51,673 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 62 [2020-11-07 05:25:54,021 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:54,674 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:25:57,003 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:25:57,798 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2020-11-07 05:25:58,582 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2020-11-07 05:25:59,169 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2020-11-07 05:26:01,475 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:01,977 WARN L194 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:26:02,654 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:26:03,162 WARN L194 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:26:04,092 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2020-11-07 05:26:04,938 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 70 [2020-11-07 05:26:05,716 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2020-11-07 05:26:06,304 WARN L194 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:26:08,601 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:09,136 WARN L194 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-11-07 05:26:10,080 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2020-11-07 05:26:10,911 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-11-07 05:26:11,431 WARN L194 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:26:12,010 WARN L194 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-11-07 05:26:12,615 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:26:13,299 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 56 [2020-11-07 05:26:14,183 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:26:14,751 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-11-07 05:26:15,672 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2020-11-07 05:26:18,022 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:18,615 WARN L194 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-11-07 05:26:19,329 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-11-07 05:26:19,939 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:26:20,439 WARN L194 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:26:20,938 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:26:23,278 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:24,090 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:26:26,468 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:28,836 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:31,187 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:31,791 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:26:32,499 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:26:33,079 WARN L194 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:26:35,374 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:37,628 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:38,117 WARN L194 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:26:39,197 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2020-11-07 05:26:41,471 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:42,026 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-11-07 05:26:42,645 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2020-11-07 05:26:43,225 WARN L194 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-11-07 05:26:43,981 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2020-11-07 05:26:45,168 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2020-11-07 05:26:45,742 WARN L194 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:26:46,592 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 62 [2020-11-07 05:26:47,106 WARN L194 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:26:48,218 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 174 DAG size of output: 65 [2020-11-07 05:26:48,900 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-11-07 05:26:51,162 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:26:51,709 WARN L194 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 05:26:52,381 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:26:52,862 WARN L194 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:26:53,413 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 05:26:54,254 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2020-11-07 05:26:55,051 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:26:55,538 WARN L194 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:26:57,816 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:00,089 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:00,670 WARN L194 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:27:02,937 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:05,221 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:07,498 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:08,193 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:27:09,107 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2020-11-07 05:27:09,901 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 66 [2020-11-07 05:27:12,176 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:12,762 WARN L194 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2020-11-07 05:27:13,257 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-11-07 05:27:14,074 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-11-07 05:27:15,419 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 176 DAG size of output: 69 [2020-11-07 05:27:16,242 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 63 [2020-11-07 05:27:16,936 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-11-07 05:27:17,811 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 63 [2020-11-07 05:27:18,556 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-11-07 05:27:19,105 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-11-07 05:27:19,604 WARN L194 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:27:21,896 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:22,758 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:27:25,039 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:25,985 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2020-11-07 05:27:26,782 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:27:27,367 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:27:29,655 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:30,479 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2020-11-07 05:27:31,146 WARN L194 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-11-07 05:27:33,429 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:34,066 WARN L194 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-11-07 05:27:34,627 WARN L194 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2020-11-07 05:27:35,155 WARN L194 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:27:35,665 WARN L194 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2020-11-07 05:27:36,358 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-11-07 05:27:37,041 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:27:39,342 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:39,955 WARN L194 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:27:40,752 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 62 [2020-11-07 05:27:41,403 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-11-07 05:27:42,094 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:27:42,652 WARN L194 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2020-11-07 05:27:43,288 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2020-11-07 05:27:43,982 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-11-07 05:27:44,788 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-11-07 05:27:45,668 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 63 [2020-11-07 05:27:46,548 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-11-07 05:27:47,292 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 65 [2020-11-07 05:27:47,811 WARN L194 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:27:48,449 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2020-11-07 05:27:49,032 WARN L194 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-11-07 05:27:50,000 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2020-11-07 05:27:50,687 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:27:51,479 WARN L194 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:27:52,172 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-11-07 05:27:54,483 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:56,789 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:27:57,481 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-11-07 05:27:58,178 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-11-07 05:27:58,886 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:27:59,559 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-11-07 05:28:01,871 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:02,575 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-11-07 05:28:03,091 WARN L194 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:28:04,275 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2020-11-07 05:28:06,592 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:08,909 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:09,514 WARN L194 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-11-07 05:28:10,268 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-11-07 05:28:12,596 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:13,398 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:28:14,107 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:28:14,820 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:28:17,137 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:17,945 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:28:18,539 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:28:20,861 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:21,457 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:28:23,775 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:24,371 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:28:25,048 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:28:25,739 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:28:26,259 WARN L194 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-11-07 05:28:28,580 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:29,189 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-11-07 05:28:31,518 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:32,047 WARN L194 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:28:32,892 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-11-07 05:28:33,605 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:28:35,941 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:38,276 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:38,795 WARN L194 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:28:39,946 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-11-07 05:28:42,282 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:42,885 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:28:43,650 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-11-07 05:28:44,269 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-07 05:28:44,967 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-11-07 05:28:45,658 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:28:46,497 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2020-11-07 05:28:48,841 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:51,183 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:28:52,055 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2020-11-07 05:28:52,702 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 66 [2020-11-07 05:28:53,224 WARN L194 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:28:53,879 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-11-07 05:28:54,578 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:28:55,131 WARN L194 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2020-11-07 05:28:55,743 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-11-07 05:28:56,314 WARN L194 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 57 [2020-11-07 05:28:57,134 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2020-11-07 05:28:57,824 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:28:58,525 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:28:59,192 WARN L194 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-11-07 05:29:01,542 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:02,639 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-11-07 05:29:03,624 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2020-11-07 05:29:04,147 WARN L194 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2020-11-07 05:29:05,030 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 62 [2020-11-07 05:29:07,374 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:07,923 WARN L194 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-11-07 05:29:10,275 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:11,355 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-11-07 05:29:11,940 WARN L194 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 64 [2020-11-07 05:29:12,748 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-11-07 05:29:15,087 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:15,654 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:29:17,776 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 229 DAG size of output: 77 [2020-11-07 05:29:18,495 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:29:19,155 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-11-07 05:29:20,311 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 170 DAG size of output: 63 [2020-11-07 05:29:20,850 WARN L194 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2020-11-07 05:29:23,206 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:23,733 WARN L194 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-11-07 05:29:26,092 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:26,944 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2020-11-07 05:29:27,463 WARN L194 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-11-07 05:29:28,624 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 174 DAG size of output: 65 [2020-11-07 05:29:29,345 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:29:31,707 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:32,438 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:29:33,272 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:29:34,093 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:29:36,468 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:37,311 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:29:39,683 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:42,055 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:42,583 WARN L194 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:29:44,952 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:45,482 WARN L194 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2020-11-07 05:29:46,200 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:29:48,581 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:49,892 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2020-11-07 05:29:50,602 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-11-07 05:29:51,204 WARN L194 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-11-07 05:29:53,586 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:54,188 WARN L194 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-11-07 05:29:56,570 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:29:57,397 WARN L194 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:29:59,790 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:02,182 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:03,083 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-11-07 05:30:03,646 WARN L194 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-11-07 05:30:04,201 WARN L194 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-11-07 05:30:06,588 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:07,231 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-11-07 05:30:09,621 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:10,482 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 60 [2020-11-07 05:30:11,299 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-11-07 05:30:13,693 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:14,322 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-11-07 05:30:15,212 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2020-11-07 05:30:16,477 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2020-11-07 05:30:17,106 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2020-11-07 05:30:19,509 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:21,905 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:22,446 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:30:23,050 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2020-11-07 05:30:25,453 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:27,854 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:29,349 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 172 DAG size of output: 65 [2020-11-07 05:30:30,399 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 64 [2020-11-07 05:30:32,799 WARN L194 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:33,329 WARN L194 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-11-07 05:30:34,177 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-11-07 05:30:35,205 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 170 DAG size of output: 61 [2020-11-07 05:30:35,928 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-11-07 05:30:38,337 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:40,748 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:41,755 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 74 [2020-11-07 05:30:42,841 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-11-07 05:30:45,251 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:45,884 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2020-11-07 05:30:48,313 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:48,836 WARN L194 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:30:49,373 WARN L194 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2020-11-07 05:30:50,116 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-11-07 05:30:50,631 WARN L194 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:30:51,498 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2020-11-07 05:30:53,915 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:30:54,839 WARN L194 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:30:55,778 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2020-11-07 05:30:56,902 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2020-11-07 05:30:57,641 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-11-07 05:30:58,171 WARN L194 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:31:00,579 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:03,013 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:04,099 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 119 DAG size of output: 67 [2020-11-07 05:31:04,930 WARN L194 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-11-07 05:31:05,557 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:31:08,000 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:08,927 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-11-07 05:31:09,570 WARN L194 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-11-07 05:31:10,161 WARN L194 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-11-07 05:31:12,602 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:12,739 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-11-07 05:31:15,186 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:17,609 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:18,510 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2020-11-07 05:31:19,858 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 176 DAG size of output: 68 [2020-11-07 05:31:20,692 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:31:21,555 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-11-07 05:31:22,431 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 60 [2020-11-07 05:31:22,982 WARN L194 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-11-07 05:31:24,003 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2020-11-07 05:31:24,869 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2020-11-07 05:31:25,512 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2020-11-07 05:31:27,959 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:30,405 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:31,004 WARN L194 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 57 [2020-11-07 05:31:31,969 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 69 [2020-11-07 05:31:32,601 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:31:35,053 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:36,295 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-11-07 05:31:37,145 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:31:37,912 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:31:38,546 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:31:41,002 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:41,854 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:31:44,296 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:46,745 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:49,216 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:49,853 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:31:50,704 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:31:51,353 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:31:52,192 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2020-11-07 05:31:54,655 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:31:55,903 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 117 DAG size of output: 62 [2020-11-07 05:31:56,495 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-11-07 05:31:58,957 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:01,425 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:02,182 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:32:03,036 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:32:03,793 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:32:06,266 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:06,911 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:32:09,380 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:11,852 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:12,628 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-11-07 05:32:23,217 WARN L194 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 333 DAG size of output: 148 [2020-11-07 05:32:33,648 WARN L194 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 333 DAG size of output: 148 [2020-11-07 05:32:34,505 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-11-07 05:32:35,202 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2020-11-07 05:32:36,190 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2020-11-07 05:32:36,836 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:32:37,703 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2020-11-07 05:32:38,476 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:32:39,245 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-11-07 05:32:41,765 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:44,270 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:32:45,019 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-11-07 05:32:45,566 WARN L194 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2020-11-07 05:32:46,333 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2020-11-07 05:32:47,088 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-11-07 05:32:48,057 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-11-07 05:32:48,824 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-11-07 05:32:49,693 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-11-07 05:32:50,707 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-11-07 05:32:51,570 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-11-07 05:32:52,556 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 63 [2020-11-07 05:32:53,429 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-11-07 05:32:54,550 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 167 DAG size of output: 65 [2020-11-07 05:32:55,316 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-11-07 05:32:56,333 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 172 DAG size of output: 64 [2020-11-07 05:32:57,332 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2020-11-07 05:32:58,277 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 71 [2020-11-07 05:32:58,969 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-11-07 05:33:01,466 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:02,182 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2020-11-07 05:33:02,764 WARN L194 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:33:05,271 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:06,049 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:33:06,937 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:33:07,822 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:33:10,353 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:11,077 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:33:11,972 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-11-07 05:33:12,581 WARN L194 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-11-07 05:33:13,357 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2020-11-07 05:33:14,103 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-11-07 05:33:16,628 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:17,212 WARN L194 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:33:17,776 WARN L194 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-11-07 05:33:18,415 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-11-07 05:33:19,290 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2020-11-07 05:33:19,905 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-11-07 05:33:22,438 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:23,956 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 162 DAG size of output: 67 [2020-11-07 05:33:24,798 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-11-07 05:33:25,407 WARN L194 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:33:26,170 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-11-07 05:33:26,743 WARN L194 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-11-07 05:33:29,282 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:30,035 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 64 [2020-11-07 05:33:30,854 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-11-07 05:33:33,386 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:34,161 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2020-11-07 05:33:34,728 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-11-07 05:33:35,291 WARN L194 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:33:37,825 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:38,384 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-11-07 05:33:39,087 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2020-11-07 05:33:39,846 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:33:40,728 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:33:41,241 WARN L194 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-11-07 05:33:42,181 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:33:44,783 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:45,300 WARN L194 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-11-07 05:33:47,833 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:50,381 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:50,942 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:33:51,936 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2020-11-07 05:33:52,533 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-11-07 05:33:53,305 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-11-07 05:33:55,853 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:33:56,701 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2020-11-07 05:33:57,560 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-11-07 05:33:58,616 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2020-11-07 05:34:01,184 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:01,768 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:34:02,744 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-11-07 05:34:03,312 WARN L194 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-11-07 05:34:04,280 WARN L194 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2020-11-07 05:34:05,701 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2020-11-07 05:34:06,309 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-11-07 05:34:06,888 WARN L194 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2020-11-07 05:34:08,284 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 171 DAG size of output: 70 [2020-11-07 05:34:09,024 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-11-07 05:34:09,611 WARN L194 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-11-07 05:34:10,539 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 59 [2020-11-07 05:34:11,606 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2020-11-07 05:34:12,321 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-11-07 05:34:14,884 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:15,459 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-11-07 05:34:18,024 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:20,587 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:21,198 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-11-07 05:34:21,747 WARN L194 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2020-11-07 05:34:22,408 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-11-07 05:34:23,301 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-11-07 05:34:25,857 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:26,441 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:34:29,011 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:29,685 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2020-11-07 05:34:30,449 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-11-07 05:34:31,201 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 66 [2020-11-07 05:34:33,782 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:36,360 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-11-07 05:34:36,927 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-11-07 05:34:37,765 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 65 [2020-11-07 05:34:38,720 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-11-07 05:34:39,875 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-11-07 05:34:40,542 WARN L194 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:34:43,142 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 209 DAG size of output: 78